题目内容
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If we had known that she had planned to arrive today, we______her at the bus station.
A．will have met
B．might meet
C．had met
D．might have met
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A: Very well, we have settled everything about this transaction, except the terms of payment.
B: As you know, we prefer the L/C 20 days in advance which expires 15 days after receiving the paking list.
A: I suppose you have known our financial standing and credit well now after our long-term cooperation．We know an irrevocable L/C can ensure that the seller gets payment duly．But, on the other hand, it would increase the buying cost．Therefore, could you consider giving us D/P this time？
B: I am sorry．But our rules only allow us to accept other terms of payment by L/C, although the buyer has had two or three transactions with us before.
A: But why not if you have known the buyer's credit after several deals？
B: We hope you can understand．We have got some serious lessons from the credulity．One of them was through D/P documentary collection．When the shipment worth US ＄50000 was effected, the buyer refused to make the payment．But we can do nothing with it．And that buyer had had one or two deals before this one.
A: I see．But the flexible terms of payment will definitely bring you more orders as well as facilitate the buyers' purchasing.
B: Sure．We don't mean we won't accept other terms of payment forever．As a matter of fact, we will do so when we have known well about the buyer's credit after a real long-term cooperation.
A. But Komfeld said scientists will not know about the applicability of the drugs in humans until a similar study is done on humans. “What’s very encouraging is that these drugs were developed to treat humans, and they are well understood, because they’ve been used for a long time, ” he said。
B. Later the scientists discovered that two related anticonvulsant drugs also lengthened the lives of the worms-in the case of one drug, by almost 50 percent. “This was a big surprise to use, Komfeld said. ”“We didn’t think anticonvulsant drugs had any particular relationship to aging. That connection was completely unexpected. ”
C. Roundworms are a poor subject for experiments, because they are not like humans, even though their molecules are similar. For example, they have no bones, nor do they show emotions, making it difficult to know how exactly human subjects would react to these drugs in large quantities. However, using the worms allows experiments to be conducted quickly, because they do not live for long。
D. “Somehow the neural activity seems to regulate the aging of all of the body the skin, musculature, and reproductive tract, ” Kornfeld said. “Somehow the nervous system coordinates the progress of all these tissues, evidently, though the life stages. But we don’t know how it does that. ”
E. The discovery may also shed light on the little-understood aging process. Since the drugs act on the neuromuscular systems of both humans and worms, the findings hint at a link between neural activity and aging。
F. Unlike vertebrates, the worms are ideal subjects for the study of aging because of their short life spans, which last only a couple of weeks in a laboratory. The worm is well known in genetics, and the worm’s genome has been sequenced。
G. Use of this drug has been permitted by law since 1998 and wider use is now expected as a result of the studies. “We can clearly link this drug with human aging, but we still need to find proof, says Kornfeld optimistically. ”
Based on the results, the researchers concluded the rats were dreaming about the maze, (5)_____ re viewing what they had learned while awake to (6)_____ the memories.
Researchers have long known that animals go (7)_____ the same types of sleep phases that people do, including rapid-eye-movement (REM) sleep, which is when people dream. But (8)_____ the occasional twitching, growling or barking that any dog owner has (9)_____ in his or her sleeping pet, there's been (10)_____ direct evidence that animals (11)_____. If animals dream, it suggests they might have more (12)_____ mental functions than had been (13)_____.
"We have as humans felt that this (14)_____ of memory—our ability to recall sequences of experiences—was something that was (15)_____ human," Wilson said. "The fact that we see this in rodents (16)_____ suggest they can evaluate their experience in a significant way. Animals may be (17)_____ about more than we had previously considered."
The findings also provide new support for a leading theory for (18)_____ humans sleep—to solidify new learning. "People are now really nailing down the fact that the brain during sleep is (19)_____ its activity at least for the time immediately before sleep and almost undoubtedly using that review to (20)_____ or integrate those memories into more usable forms," said an assistant professor of psychiatry at Harvard Medical School.
A．related
B．retained
C．released
D．relieved
"We didn't (6)_____ there was anything wrong with it," says Nigel. "It was such a small, (7)_____ dog that rabies didn't (8)_____ my mind". But, six weeks later, 23-year-old Andrea was dead. The dog had been rabid. No one had thought it necessary to (9)_____ her antirabies treatment. When, back home in England, she began to show the classic (10)_____ unable to drink, catching her breath her own doctor put it (11)_____ to hysteria. Even when she was (12)_____ into an (13)_____, hallucinating, recoiling in terror at the sight of water, she was directed (14)_____ the nearest mental hospital.
But if her symptoms (15)_____ little attention in life, in death they achieved a publicity close to hysteria. Cases like Andrea are (16)_____, but rabies is still one of the most feared diseases known to man. The disease is (17)_____ by a bite of a lick from an (18)_____ animal. It can, in very (19)_____ circumstances, be inhaled—two scientists died of it after (20)_____ bat dung in a cave in Texas.
A．Hardly
B．Nearly
C．Almost
D．Merely
"We didn't realize there was (6)_____ wrong with it," says Nigel. "It was such a small, (7)_____ dog that rabies didn't (8)_____ my mind". But, six weeks later,23-year-old Andrea was dead. The dog had been rabid. No one had thought it necessary to (9)_____ her anti-rabies treatment. When, back home in England, she began to show the classic (10)_____—unable to drink, catching her breath—her own doctor put it (11)_____ to hysteria. Even when she was (12)_____ into an ambulance, hallucinating, recoiling in (13)_____ at the sight of water, she was directed (14)_____ the nearest mental hospital.
But if her symptoms (15)_____ little attention in life, in death (16)_____ achieved a publicity close to hysteria. Cases like Andrea are (17)_____, but rabies is still one of the most feared diseases known to man. The disease is (18)_____ by a bite of a lick from an (19)_____ animal. It can, in very exceptional circumstances, be inhaled—two scientists died of it after (20)_____ bat dung in a cave in Texas.
A．fancied
B．flashed
C．flopped
D．gasped
So far few details have been reported, but it is feared that at least twenty people lost their lives, among them the pilot, who was killed instantly. The local ambulances and firemen were on the scene within minutes of the crash, but additional help had to be rushed from other areas.
Mr. Lesilie Collins, one of the survivors, told our reporter, "We passengers noticed the engines were making a funny noise. Of course we couldn't see anything because of the fog, but the pilot said there was nothing to worry about. The next thing we know, the engines went dead. There was a rushing noise--and after that I don’t remember any more."
Mr. Collins is now in hospital, being treated for minor injuries. We will be bringing you further news of the crash as we receive it. In the meantime relatives are asked to ring 02-3457211 for information.
The plane was ______.
A．flying some businessmen to London
B．on a regular flight to London
C．returning from a trade fair
D．bound for Carlisle
The lady sitting on Mr. Brown's left, who was about sixty years old, seemed to be the happiest and the most interesting of the American group, and after the first act of the play, she apologized to him for the noisiness of her friends. He answered that he was very glad to see American ladies so really enjoying their visit to England, and so they had a friendly talk. Mr. Brown's neighbour explained what they doing there.
"You know, I have known these ladies all my life," she said. "We all grew up together back in our hometown in the United States. They have all lost their husbands~ and call themselves the Merry Widows. It is a sort of club, you know. They go to a foreign country every summer or two and have a lot of fun. They always go everywhere together. I have wanted to join their club for a long time, but I was not able to become a member until the spring of this year."
The group of American ladies enjoyed the play in a theatre in______.
A．Britain
B．America
C．their club
D．their hometown
Language is always changing.The earliest known languages had complicated grammar but a small, limited vocabulary.Over the centuries, the grammar changed, and the vocabulary grew.For example, the English and Spanish people who came to America during the sixteenth and seventeenth centuries gave names to all the new plants and animals they found.In this way, hundreds of new words were introduced into English and Spanish vocabularies.Today life is changing very fast, and language is changing fast, too.
There are several major language families in the world.Some scientists say there are nine main families, but other scientists divide them differently.The languages in each family are related, and scientists think that they came from the same parent language.
We learn our own languages by listening and copying.We do this without studying or thinking about it.But learning a foreign language takes a lot of study and practice.
(1).What do all languages in the world have？
A.Complicated vocabularies
B.Single grammar
C.Large vocabularies
D.A system of sounds
(2).What does the earliest known languages have？
A.Different word orders
B.Difficult grammar
C.Difficult vocabularies
D.Easy sound system
(3).What did the English and Spanish people who came to America do？
A.They gave names to different animals
B.They found many new plants and animals
C.They changed the grammar of English and Spanish
D.They introduced new words into English and Spanish
(4).Scientists think that the languages in each family_________________________.
A.are related
B.should be divided differently
C.should be separated
D.are not very different
(5).According to the passage, we learn our own language by_________________________.
A.thinking about it
B.practicing it
C.listening and copying
D.studying it
【C1】
A．declared
B．realized
C．admitted
D．promised
Not until they got married （） that he is a rude man.
A.she knew
B.had she known
C.she had known
D.did she know
