我国南极长城站位于62°13'S,有极夜和极昼吗?()
A.无极夜、有极昼
B.有极夜、无极昼
C.没有极夜、也没有极昼r/>
D.南北极圈
A.无极夜、有极昼
B.有极夜、无极昼
C.没有极夜、也没有极昼r/>
D.南北极圈
A.昆仑站
B.长江站
C.中山站
D.长城站
A.地球是一个巨大的磁体,地磁N极在地理北极附近,S极在地理南极附近
B.地磁场在地表附近某处,有两个分量,水平分量指向地理北极附近,竖直分量一定竖直向下
C.若能将指南针放在地心,则它的N极指向地球北极
D.若能将指南针放在地心,则它的N极指向地球南极
The two men walked happily for half an hour, 【64】 then one of them said to the other, "That's a 【65】 beautiful girl. "
"Where can you see a beautiful girl?" said the 【66】 "I can't see one anywhere. I can see two young 【67】 They're walking towards us. "
"The girl's walking behind us. " 【68】 the first man quietly.
"But how can you see her 【69】 ?" asked his friend.
The first man smiled and said. "I 【70】 see her. but I can see the two young men's eyes. "
(61)
A.in
B.on
C.of
D.with
求出2/1,3/2,5/3,8/5,13/8,21/13……这个数列的前20项之和。请填空。
main()
{int n,t,number=20;
floata=2,b=1,s=0;
for(n=1;n<=number;n++)
{
s=______;
t=a;a=a+b;b=t;
}
printf("sum is%9.6f\n",s);
}
On line I met a man【59】said he was a manager in a big company in Dalian. We【60】pleasantly first, then exchanged e-mail【61】in order to keep in touch in the future.【62】, he sent me【63】. When I opened it, I found, to my【64】, a detailed(详细的) self-introduction including age,【65】, weight, habits and future plans. It was an advertisement for a dating(约会) service! I was hurt【66】felt rather angry.
When I told a veteran (有经验的) Internet surfer (网民)【67】my experience, he said it was not【68】! was【69】. The Web provides such a nice, large place to make friends, why do some people【70】it?
The relationship between one another should be mutual(互助的) politeness and【71】. Online we【72】see one another's physical form, but we are talking through our【73】. Such【74】as the one I met are not polite at all.
Since the Web belongs to everyone, every user has a duty to keep a friendly and polite atmosphere (氛围]). We need【75】honesty and respect on-line.
(36)
A.exciting
B.disappointing
C.surprising
D.frightening
我国规定,失业者劳动年龄条件是()
A.男18—65,女18—60
B.男18—65,女19—62
C.男16—59,女16—54
D.男18—60,女18—55
某医师为研究比较不同治疗方法对动物胃泌素含量(pg/ml)的影响,研究后得如下数据,问各治疗方法有无差异?
不同治疗方法对动物胃泌素含量(pg/ml)
组别 n 均值bar{x}标准差s |
A:空白对照 16 518 85 B:隔药针灸 16 1020 90 C:胃火合剂 16 400 62 D:B+C 16 310 70 E:五肽胃泌素 16 502 78 |
The problem with the joke, of course, is that it's【59】funny. The recent surveys on【60】illiteracy (无知) are beginning to numb(令人震惊) : nearly one third of American 17-year-olds cannot even【61】which countries the United States【62】against in that war. One third have no【63】when the Declaration of Independence was【64】. One third thought Columbus reached the New World after 1750. Two thirds cannot correctly【65】the Civil War between 1850 and 1900.【66】when they get the answers right, some are【67】guessing.
Unlike math or science, ignorance of history cannot be【68】connected to loss of international【69】But it does affect our future【70】a democratic nation and as individuals.
The【71】news is that there is growing agreement【72】what is wrong with the【73】of history and what needs to be【74】to fix it. The steps are tentative (尝试性的)【75】yet to be felt in most classrooms.
(56)
A.about
B.in
C.for
D.by