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问题 选择题

下列物质中，属于单质的是                           

A．氧化锌

B．氯酸钾

C．汽水

D．硫粉

答案

答案：D

题目分析：单质由同种元素组成的纯净物，化合物由不同种元素组成的纯净物，氧化锌和氯酸钾都是不同种元素组成的纯净物，是化合物，汽水由多种物质组成，属于混合物，故选D

完形填空

补全对话 . 从所给的句子中选择恰当的句子完成下面对话（有两项是多余的）（5分）

A: Hey, Steve.

B: Hi! How’s it going recently?

A: Terrible! I always feel upset.

B: 小题1:

A: My parents always wish me to study hard and always compare me with others. It makes

me stressed out. 小题2:

B: Don’t worry. Why don’t you chat on the Internet to share your feelings with others?

A: Really? 小题3:

B: Sure. It’s very popular among us young people. You can also get many replies from friends.

A: 小题4:

B: Let me see. Well, you’d better have a try first. If you have a chance, you should invite

them to read your micro blog (微博), they’ll know you better.

A: 小题5:               Thank you.

B: You’re welcome.
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听力题

根据短文内容和所给的首字母，填入单词

An important question after eating out is who pays for (付账) the meal. If a friend of yours asks you to have lunch with him, you may say something l  1  this, “I’m afraid(害怕、担心) it’ll have to be some cheap place, because I have very little m  2 .” The other person may say, “OK, I’ll m  3  you at McDonald’s.” This means that the two agree to go Dutch (各人付自己的帐), that is, each p  4  pays for himself. He may a  5  say, “Oh, no. I want to take you to lunch at Smith’s,” or “I want you to t   6   the Chinese dumplings there. They’re great.” This m  7  the person wants to pay for bills(买单) for you. If you feel f  8  to this person, you can go with him and you don’t n  9  to pay for the meal. You may just say, “Thank you. That will be very n  10 .”
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