Please switch the machine on pressing this button. A. by B. to C. for D. with 题目和参考答案——青夏教育精英家教网—

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( ) 11. Please switch the machine on pressing this button.

A. by B. to

C. for D. with

题目来源：全品作业本九年级英语下册外研版 > Unit 3 Language in use

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33-year-old spacewoman Wang Yaping made history―she is China's first teacher in space.

Wang Yaping taught Chinese primary and mid?dle school students on Earth physics problems in the zero-gravity environment (失重环境) .She prepared for the lecture for a long time.

Wang,born in January 1980,is from east China's Shandong Province. She was a pilot in the People's Liberation Army Air Force (空军) with ex?perience of 1,600 hours of flying.

The world's first teacher in space was Christa McAuliffe,a 37-year-old middle school teacher from the United States,but the Space Shuttle Challenger (挑战者号) disintegrated (崩裂) after 73 seconds into flight on Jan. 28,1986. McAuliffe and other six members were killed.

"Wang's lecture was a pleasant surprise," said Zhang Xiaoguang,an astronaut (宇航员) in the three members of Shenzhou X spacecraft. " (她无论做什么都很优秀) .Sometimes we'd like to give her a helping hand,but she just would not take the hand in help," said Nie Haisheng.

Like many young Chinese people,Wang likes photography,music and basketball. She said, "We are all students in facing the universe (宇宙) .We are looking forward to joining our young friends to learn and explore the mystical (神秘的) and beautiful un?verse.”

(一) 根据短文内容，回答下列问题。

46. Who did Wang Yaping give the lecture to on physics problems in space?

47. What was Christa McAuliffe?

(二) 请根据短文中所给汉语完成句子。

48. She in whatever she does.

c三) 请把短文中画线的句子译成汉语。

49.

(四) 请给短文拟一个恰当的英文标题。

50.

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科目：初中英语 来源： 题型：

3. 我们放学后经常和同学打排球，这样做有利于健康。