12.(08北京市西城区高三抽样测试)
Stressful environments lead to unhealthy behavior such as poor eating habits，which increases the risk of heart disease.
A.in turn B.in return C.by chance D.by turns
答案 A
11.(08北京市西城区高三抽样测试)
They were swimming in the river the storm started.
A.until B.while C.when D.before
答案 C
10.(08北京市东城区教学目标检测)
-Sharks will attack people while they are swimming.
-Right. I think people are more dangerous to sharks than sharks are to people.
A.So B.And C.But D.For
9.(08福建福州高三模拟1月)
two compositions to write，you have to work really hard this weekend.
A.With B.Besides C.As for D.Because of
8.(08北京市海淀区第一学期期末练习)
Despite the great success of Chang’e-1，experts say，it will be at least ten years our astronauts can land on the moon.
A.while B.before C.since D.until
答案 B
7.(08北京市海淀区第一学期期末练习)
She did not allow her failure in the exam to discourage her. ，she began to work twice as hard.
A.In addition B.On the whole C.In conclusion D.On the contrary
答案 D
6.(08北京市海淀区第一学期期末练习)
The Chinese government has made the Mid-Autumn festival a legal holiday， people will have a
day off.
A.when B.which C.where D.what
5.(08北京市海淀区第一学期期末练习)
With the development of its economy，Beijing has changed recognition in the last five years.
A.without B.beyond C.over D. with
4.(08天津南开中学模拟2月)
A wide range of postcards and other souvenirs are sale in the visitors’center.
A.on B.at C.in D.of
3.(08南通市高三第一次调研测试)
-How are you doing all these years，Jim?
-Nothing new.Everything is going on it was years ago.
A.as B.while C.when D.since