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问题 单项选择题

We have new methods ( ) compensation trade and joint ventrue.

A．likes

B．as

C．like

D．/

答案

参考答案：C

解析： 句意为：我们有补偿贸易和合资经营。

填空题

Smoking means something different to various cultures. In (36) , many people smoke. In the winter, it is often (37) to breathe in the cafes because of the tobacco (38) in the air. In Romania, smoking is an (39) social habit. Women, (40) , do not smoke on the street. The brand of (41) a person smokes shows his/her (42) , especially if it is a foreign (43) .
In Latin American cultures, smoking is very common. (44) .
In parts of Asia, tobacco is used in wedding ceremonies and in religious offerings. It is also used in many kinds of occasions. In Cambodia, (45) .In Vietnam, people are often smoking at business meetings and in coffee houses. Most of the women in Cambodia and Vietnam tend not to smoke. But when they enter a friend’s home, they may be given a tobacco leaf to chew on. During the war, Vietnamese soldiers would smoke to pass the time while waiting to go into battle. (46)
Smoking was a comforting thing to do. In both Vietnam and Cambodia, people who were not smokers before the war, started to smoke during the war and became addicted.
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选择题

关于化学反应与能量的说法正确的是（　　）

A．中和反应是吸热反应

B．燃烧属于吸热反应

C．反应物总能量与生成物总能量一定相等

D．化学键断裂吸收能量
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