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问题 多项选择题

对触电者的急救，以下说法正确的是（）。

A、立即切断电源，或使触电者脱离电源

B、使触电者俯卧

C、迅速判断伤情，对心搏骤停或心音微弱者，立即心肺复苏

D、用干净衣物包裹疮面

答案

参考答案：A,C,D

单项选择题

Many students have hobbies, such as reading, painting, growing vegetables in their gardens, and looking after animals. Some hobbies are relaxing and (16) are creative. Hobbies can develop your interests and help you learn new skills.
David Smith is a student, and his hobby is writing. (17) the sumer of 2000, he spent four weeks on a summer camp. As well as the usual activities, such as sailing, climbing and mountain biking, there was a writing workshop with a professional (18) "She asked us to imagine that we were in a story. Then we wrote about our (19) at the camp. "
In senior high school David wrote a story about teenage life, and it (20) as a book in 2003. Many teenagers love his book, and as a result, David has become a (21) young writer.
David has been very lucky (22) his hobby has brought him enjoyment and success, but he is (23) interested in many other things. "I like playing volleyball, too" says David. "I spend some of my free time playing volleyball for my school team. (24) I’ll write more books in the future, but I’m not sure. "
It’s sometimes difficult (25) that we shouldn’t spend all our time on our favourite hobby. There are many other interesting things to do in life, and we should try to do something new or different.

Ⅱ. 完形填空/Cloze

A．too

B．also

C．only

D．either
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单项选择题

下列关于速度和加速度的说法中，正确的是（）

A.加速度是表示物体速度变化快慢的物理量

B.物体有加速度，速度就增加

C.物体运动的速度越大，加速度越大

D.a﹤0，物体一定做减速运动
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