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问题 填空题

有A、B两个极易导热的容器，A容器的容积不变，B容器的活塞可上、下滑动，保持内外压强相等。在相同条件下，将等物质的量的NO2压入容积相同的A、B两容器中进行反应: 2NO2N2O4(正反应为放热反应)，请用“>”或“<”或“=”填空：

（1）反应开始时，生成N2O4的速率vA_______vB；

（2）反应进行中，生成N2O4的速率vA_______vB；

答案

（1）=

（2）<

听力题

(A)单词拼写，注意形式。

1.He got to school_______(早)than I did this morning.

2.I love basketball , Michael Jordan and Yao Ming are my __________(英雄).

3.Can you put the ____ (外国的)countries’ names on the Internet for them to look at?.

4.The students should be always strict with _______(自己)。

5. Mr Yang has lots of knowledge(知识)，so each of us _______(钦佩) him very much

6.The comic book is funny from  b_____   to end.

7. I was doing my homework while my mother was s______up this hole(洞) in my trousers。

(B)用所给词的正确形式填空。

8.____________ (luck), our team tried our best but could never win the first prize.

9.The policeman told the boys__________(not play)football near the road．.

10.Don’t make the baby ___________( cry ) again.

11.I am taller than him,and I am the _____(slim) of all the students.

12. If you eat too much_____________ (health)food, you may be ill.
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单项选择题

引起寻常疣的病原体通常是

A．HSV-Ⅰ
B．HSV-Ⅱ
C．HPV
D．HIV
E．HBV
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