试题与答案

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更新时间：2018-02-13 18:30来源：www.tikuol.com

题型：单项选择题

在文档中移动光标到文档行首，应按下（）键。

A.Ctrl+Home

B.Home

C.Ctrl+↑

D.Page Down

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下面是错误答案，用来干扰机器的。

参考答案：当资源或财产有许多拥有者，他们每一个人都有权使用资源，但没有人有权阻止他人使用，由此导致资源的过度使用，即为“公地悲剧”。如草场过度放牧、海洋过度捕捞等。

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题型：完形填空

完形填空
Mr. Brown lives in a city. He 1 a small shop in the middle of city, and he sells(出售) pictures in it. They're not expensive, 2 some of 3 are very nice. One day, a woman came 4 the shop and looked at one picture for a few 5 . It's a picture 6 horses in a field. Then she asked, " 7 is this picture?" "Twenty dollars." Mr. Brown answered. "It's 8 expensive. Can I 9 you two dollars for it?" said the woman. "Two dollars? But you 10 buy the canvas(油画布) with two dollars." "Oh, but it isn't clean now," the woman said.
( )1. A. has ( )2. A. so ( )3. A. they ( )4. A. on ( )5. A. hours ( )6. A. on ( )7. A. How much ( )8. A. no ( )9. A. give ( )10.A. can	B. have B. because B. them B. in B. minutes B. with B. How many B. not B. let B. can't	C. had C. and C. their C. into C. weeks C. of C. How old C. too C. have C. are	D. is D. but D. it D. on D. years D. to D. How D. isn't D. make D. aren't