题目内容

【题目】有关地球表面海洋和陆地情况的描述,正确的是(   )

A.南半球陆地面积大于海洋面积

B.世界陆地分布均匀

C.地球上七分海洋、三分陆地

D.连通太平洋与大西洋的是苏伊士运河

【答案】C

【解析】

我们生活的地球,从太空看是个蔚蓝色的美丽星球,它看上去更像“水球”。根据人们的计算,地球表面71%是海洋,而陆地面积仅占29%.概括地说,地球上七分是海洋,三分是陆地。陆地集中于北半球、东半球,海洋集中于南半球、西半球。

A. 任何两个相等的半球都是海洋的面积大于陆地,故A错误;

B. 世界陆地分布不均匀,陆地集中于北半球、东半球,海洋集中于南半球、西半球,故B错误;

C. 地球表面71%是海洋,而陆地面积仅占29%,概括地说,地球上七分是海洋,三分是陆地,故C正确;

D. 连通太平洋与大西洋的是巴拿马运河,故D错误。

故选:C

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【题目】根据短文内容,选择最佳答案。
C
After a long day's study at school, you are very tired. So after school you go home to relax. When you get home, a robot greets you. He's happy to see you and helps you take your school things to your room. He listens to you talk about your school life and tells you a new joke. And he tells you to call your cousin and to say happy birthday. And then he helps you with your homework.
This is your future, and the robot's name is NAO. NAO has a small body, big eyes and a large head. He can walk and dance. He listens and talks, and he even learns and thinks for himself. His creators(创造者) predict that the robot will be in people's homes before 2040.
This $16,000 robot knows who you are. NAO can even express emotions(表达情感). He is a self-guided robot. A self-guided robot can sense(感觉), think and act. Other robots might do two out of the three. For example, a robot might sense things using cameras and think using computers, but with no arms, he can't act. Another robot can move and sense things, but he can't think for himself. These aren't self-guided robots. But NAO can do them all.
(1)The underlined word "greets" means "" in Chinese.
A.讨厌
B.击败
C.迎接
D.仰慕
(2)The robot tells you to to your cousin.
A.say happy birthday
B.dance
C.send a birthday gift
D.write
(3)What does NAO look like?
A.He has small eyes and a small head.
B.He has big eyes and a large head.
C.He has a large body with a large head.
D.He has a small body with a small head.
(4)When might people have robots like NAO in their homes?
A.In 2020.
B.In about 15 years.
C.In 2030.
D.In about 30 years.
(5)Which of the following is TRUE according to the passage?
A.NAO isn't a self-guided robot.
B.NAO can't help kids with their homework.
C.NAO is more than fifteen thousand dollars.
D.NAO can move and sense, but he can't think.

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