1 . _______ you form the habit of taking regular exercise and stick to it, you will be much healthier.

A．As long as

B．In case

C．As if

D．Even if

2 . 这座公园设施陈旧，疏于管理，荒草丛生，经改造后，却让人眼前一亮。(absence) （汉译英）

3 . ______ you study harder, you’ll never pass the final exam.

A．If

B．Until

C．Unless

D．Except

4 . 毫无疑问，不管人类文明有多么发达，如果生态平衡被打破，过不了多久我们就会自食其果。(it)(汉译英)

5 . 让这对工薪阶层的夫妻深感欣慰的是，不久他们的女儿就会振翅高飞，在职场上占有一席之地。(before) (汉译英)

6 . Please answer the question in a loud enough voice ______ all the class may hear.

A．so, that

B．or

C．in order that

D．and

7 . New ________ the facility is, it would make possible a much stronger signal that would cover wider residential areas.

A．although

B．as

C．despite

D．while

8 . ________ conversion (转化) is quite universal, plenty of grammarians object to the practice of turning so many nouns to verbs in the language of English.

A．Even if

B．In case

C．As if

D．As long as

9 . It is 10 years ________ these important environmental problems were addressed, which benefited the entire world.

A．since

B．after

C．before

D．when

10 . 超市离我家步行就能到达，买日用品非常方便。(As) (汉译英)