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Which of your two hands do you use much better? Very few of us can use both of our hands e

qually well. Most of us are right - handed. Only about five people out of a hundred are left - handed. Newborn ha bies can grasp objects with either of their hands, but in about two years they usually prefer to use their right hands.

Scientists don't know why this happens. They used to think that we inherited (继承) this tendency from our animal ancestors (祖先), but this may not be true. Monkeys are our closest relatives in the animal world. Scientists have found that monkeys prefer to use one of their hands more than the other, but it can be either hand. There are as many right - handed monkeys as there are left - handed ones. Next time you visit the zoo, watch the monkeys carefully. You' 11 see that some of them will prefer to swing from their right hands, and others will use their left hands. But most human beings use their right hands better, and this makes life difficult for those who prefer to use their left hands.

Most of us use our right hands ______ the left ones.

A.as well as

B.not so well as

C.much better than

D.more better than

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更多“Which of your two hands do you…”相关的问题
第1题
Which of the following is TRUE according to the text?A.If you want to keep healthy, you ha

Which of the following is TRUE according to the text?

A.If you want to keep healthy, you have to meet your personal trainer.

B.The diabetes-related claims from Arnica employees have been increased.

C.The American business doesn't do anything concerned with personal health.

D.Abiding by healthy choices is facile.

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第2题
There are two kinds of grammar based on different linguistic points of view. They are pres
criptive grammar and descriptive grammar. A grammar may describe how language is actually spoken and/or written, and may not state or postulate how it ought to be spoken or written. But a grammar may also state the rules for what is considered the best or most correct usage. Which grammar is descriptive grammar, and which grammar is prescriptive grammar? Cite some examples to give your reasons.(北师大2003研)

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第3题
Which of the following activities involve role-play?A. Use the pictures in the textbook

Which of the following activities involve role-play?

A. Use the pictures in the textbook , but cut them up , paste them on cards and give each student a different picture. Then ask the students to ask each other what is in their picture.

B. The teacher prepares two sets of gapped dialogues and asks the students to work in pairs to ask each other to complete their dialogue.

C. Give two students a card respectively and ask them to conduct a dialogue according to the instruction in the cards. Instructions on one card may be" You and your friends are going to have lunch. You need to decide where to go. You would like to try something different because you' re tired of the same food. You make a suggestion. "

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第4题
Many students find the experience of attending university lectures to be a confusing and f
rustrating experience. The lecturer speaks for one or two hours, perhaps【36】the talk with slides, writing up important information on the blackboard,【37】reading material and giving out【38】.The new student sees the other students continuously writing on notebooks and【39】what to write. Very often the student leaves the lecture【40】notes which do not catch the main points and【41】become hard even for the【42】to understand.

Most institutions provide courses which【43】new students to develop the skills they need to be【44】listeners and note-takers.【45】these are unavailable, there are many useful study-skills guides which【46】learners to practice these skills【47】. In all cases it is important to【48】the problem【49】. actually starting your studies.

It is important to【50】that most students have difficulty in acquiring the language skills【51】in college study. One way of【52】these difficulties is to attend the language and study-skills classes, which most institutions provide throughout the【53】year. Another basic【54】is to find a study partner【55】it is possible to identify difficulties, exchange ideas and provide support.

(66)

A.extending

B.illustrating

C.performing

D.conducting

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第5题
Passage Two There are two factors which determine an individual's intelligence. The first

Passage Two

There are two factors which determine an individual's intelligence. The first is the sort of brain he is born with. Human brains differ considerably, some being more capable than others. But no matter how good a brain he has to begin with, an individual will have a low order of intelligence unless he has opportunities to learn. So the second factor is what happens to the individual the sort of environment in which he is reared (抚养). If an individual is handicapped environmentally, it is likely that his brain will fail to develop and he will never attain the level of intelligence of which he is capable.

The importance of environment in determining an individual's intelligence can be demonstrated by the case history of the identical twins, Peter and Mark. Being identical, the twins had identical brains at birth, and their growth processes were the same. When the twins were three months old, their parents died, and they were placed in separate foster (收养) homes. Peter was reared by parents of low intelligence in an isolated community with poor educational opportunities. Mark was reared in the home of well-to-do parents who had been to college. He was read to as a child, sent to good schools, and given every opportunity to be stimulated intellectually. This environmental difference continued until the twins were in their late teens, when they were given tests to measure their intelligence. Mark's IQ was 125, twenty-five points higher than the average and fully forty points higher than his identical brother. Given equal opportunities, the twins, having identical brains, would have tested at roughly the same level.

36. This selection can be titled ______.

A. Measuring Your Intelligence

B. Intelligence and Environment

C. The Case of Peter and Mark

D. how the Brain Influences Intelligence

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第6题
What do we mean by a perfect English pronunciation? In one【56】there are as many different
kinds of English as there are speakers of it.【57】two speakers speak in exactly the same【58】.We can always hear differences【59】them, and the pronunciation of English【60】a great deal in different geographical【61】How do we decide what sort of English to use as a【62】? This is not a question that can be【63】in the same way for all foreign learners of English.【64】you live in a part of the world【65】India, where there is a long【66】of speaking English for general communication purpose, you should select to【67】a good variety of the pronunciation of this area. It would be mistake in these【68】to use as a model BBC English or【69】of the sort. On the other hand, if you live in a country【70】there is no traditional【71】of English, you must take as your model some forms of【72】English pronunciation. It does not【73】very much which form. you choose. The most【74】way is to take as your model the sort of English you can【75】most often.

(56)

A.meaning

B.case

C.sense

D.situation

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第7题
Which of your two hands do you use more? Very few of us can use both hands equally well. M
ost of us are right-handed. Only about five people out of a hundred are left-handed. New-born babies can take hold of things with either of their hands, but. in about two years they usually use their right hands. Scientists have found that monkeys like to use one of their hands more than the other, but it can be either hand. There are as many right-handed monkeys as there are left-handed ones. Next time when you visit a zoo, you'll see that some of them will use their right hands and others will use their left hands. But most of the people use their right hands better and this makes life difficult for those left-handed people. We live in a right-handed world.

Most people ______.

A.are left-handed

B.are right-handed

C.can use both hands equally well

D.never use left hands

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第8题
Feeling anxious? Your mood may actually change how your dinner tastes, making the bitter a
nd salty flavors recede, according to new research. This link between the chemical balance in your brain and your sense of taste could one day help doctors to treat depression. There are currently no on-the-spot tests for deciding which medication will work best in individual patients with this condition. Researchers hope that a test based on flavor detection could help doctors to get more prescriptions right first time.

It has long been known that people who are depressed have lower-than-usual levels of the brain chemicals serotonin or noradrenaline, or in some cases both. Many also have a blunted sense of taste, which is presumably caused by changes in brain chemistry. To unpick the relationship between the two, Lucy Donaldson and her colleagues at the University of Bristol, UK, gave 20 healthy volunteers two antidepressant drugs, and checked their sensitivity to different tastes. The drug that raised serotonin levels made people more sensitive to sweet and bitter tastes, the team reports in the Journal of Neuroscience. The other, which increased noradrenaline, enhanced recognition of bitter and sour tastes.

In healthy people, volunteers whose anxiety levels were naturally higher were less sensitive to bitter and salty tastes. "What hasn't been done be{ore is to look precisely at which tastes are affected in depression," says Donaldson. Now the results are in, "we can discriminate between the chemicals and the tastes that seem to be altered," she says. Testing sensitivity to sweet and sour tastes could potentially help doctors to pick up on which chemicals are dipping, guiding them when choosing which drug to rectify the problem.

Currently, doctors rely on physical and emotional symptoms to make a best guess at an individual's imbalance, prescribe a drug and wait about a month to check on any improvement. Good doctors have about a 60-80% success rate in selecting the right drug the first time, says psychiatrist Jan Melichar, a co-author on the paper. Are there any decent tests for prescribing drugs for depression? "No. We do a best guesstimate," says Melichar. "I'm excited by this finding because in 3, 5 or 7 years we could have a simple taste test. "

Next, the team plans to perform. similar tests in depressed people, and in healthy volunteers given another brain chemical called tryptophan. This chemical would lower the healthy subjects' levels of serotonin, as actually happens in depressed patients.

The work has also generated interest from flavor houses--companies that develop chemicals for the food and drink industry--who are interested in making foods taste just as sweet with half the amount of sugar. "Theoretically there would be the possibility of enhancing your meal with drugs that affect brain chemicals so that things would taste better--you couid have a 'designer taste tablet'," Donaldson says.

The study of the link between mood and taste can help______.

A.people to gain better mood

B.doctor to cure depression

C.people to increase appetite

D.researchers to get prescriptions

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第9题
What do we mean by a perfect English pronunciation? In one【41】there are as many different
kinds of English as there are speakers of it.【42】two speakers speak in exactly the same【43】. We can always hear differences【44】them, and the pronunciation of English【45】a great deal in different geographical【46】How do we decide what sort of English to use as a【47】? This is not a question that can be【48】in the same way for all foreign learners of English.【49】you live in a part of the world【50】India, where there is a long【51】of speaking English for general communication purpose, you should select to【52】a good variety of the pronunciation of this area. It would be mistake in these【53】to use as a model BBC English or【54】of the sort. On the other hand, if you live in a country【55】there is no traditional【56】of English, you must take as your model some forms of【57】English pronunciation. It does not【58】very much which form. you choose. The most【59】way is to take as your model the sort of English you can【60】most often.

(41)

A.meaning

B.case

C.sense

D.situation

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第10题
What do we mean by a perfect English pronunciation? In one sense there are as many differe
nt kinds of English as there are speakers of it.【21】two speakers speak in exactly the same way. We can always hear differences【22】them, and the pronunciation of English varies a great deal in different geographical【23】. How do we decide what sort of English to use as a model? This is not a question that can be【24】in the same way for all foreign learners of English. When you live in a part of the world like India or West Africa, where there is a long【25】of speaking English for general communication purposes, you should【26】to acquire a good variety of the pronunciation of this area. It would be a fashion in these circumstances to use as a model BBC English or【27】of the sort. On the other hand, if you live in a country【28】there is no traditional use of English. You must take as your model some form. of native English pronunciation. It does not【29】very much which form. you choose. The most【30】way is to take as your model the sort Of English you can hear most often.

(36)

A.Not

B.No

C.None

D.Nor

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