单项选择题：医疗器械广告应当经（）审查批准；未经批准的，不得刊登、播放、散发和张贴 A.省级以上

题型：阅读理解

Today we can see that many people are cutting down the trees in the forests. A lot of lands have become deserts. If we read newspapers, we’ll learn that the forests on the earth are getting smaller . We are cutting down large numbers of trees we need wood and farmland. Some scientists say that there will not be any great forests 20 or 30 years.

What will happen if the forests disappear? A lot of plants will die and the animals will

their homes. In many places the new farmland will soon look the old desert. Crops will not grow there. There won’t be enough , and the weather will get hot and dry. If the climate of the earth changes, life will be for everyone. Our living environment will become . More and more rich farmland will disappear. We will suffer a lot from both droughts (干旱) and floods.

It’s our duty the forests well. Everyone should try his best to make a contribution (贡献) to taking care of the forests. Stop cutting down the trees and make the world greener!

小题1:A. rich B. low C. lonely

小题2:A. on time B. all the time C. in time

小题3:A. or B. so C. because

小题4:A. at B. on C. in

小题5:A. find B. build C. lose

小题6:A. up B. like C. at

小题7:A. snow B. rain C. wind

小题8:A. easy B. happy C. hard

小题9:A. better and better B. worse and worse C. bigger and bigger

小题10:A. to protect B. do C. to do

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题型：单项选择题

某企业月初结存材料的计划成本为100000元，成本差异为节约1000元；本月入库材料的计划成本为100000元，成本差异为超支400元。当月生产车间领用材料的计划成本为 150000元。假定该企业按月末计算的材料成本差异率分配和结转材料成本差异，则当月生产车间领用材料应负担的材料成本差异为( )元。

A．450

B．-450

C．1050

D．-1050

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题型：选择题

---- What did Walt Disney do after ________ school?

---- He sold newspaper and delivered mail.

A．leave

B．left

C．leaves

D．leaving

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题型：填空题

展示商品的方法（）。

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题型：单项选择题

患者长期口服避孕药后失效，可能是因为：

A．同时服用肝药酶诱导剂
B．同时服用肝药酶抑制剂
C．产生耐受性
D．产生耐药性
E．首过消除改变

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医疗器械广告应当经（）审查批准；未经批准的，不得刊登、播放、散发和张贴 A.省级以上

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