某县医院妇科医师为一孕妇接生，该孕妇生一有缺陷婴儿。该医院为产妇出具了统一制发的新生

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       Since the earliest times, trees have always been very useful and important to human beings who made use of them in many ways. Even today trees continue to serve us m so many ways.    

       Trees provide man with fruits and building materials in the form of wood. Without trees itwould be

impossible to build houses, boats and even bridges. Furniture such as tables, chairs andbeds is made of

wood.    

       In the tropics (热带地区) where it is very hot all through the year, trees protect man fromthe terrible

heat.  They are also useful in preventing good and rich top soil from being washed away during heavy rains which are so common in the tropics.      

       If there were no tree or vegetation of some kinds to hold back the soil with their roots, heavy rains

would wash away the rich soil that is so important and necessary to agriculture(农业). The result is that

the land becomes a desert.    

       There are so many desert areas in the world. A long time ago these desert areas must havebeen very

rich fertile(肥的) areas, but since our ancestors in the distant past do not have enough knowledge about

science of nature, they cut down all the trees in the areas where they lived and never planted new ones.  

By and by, the rich soil was blown and washed away by strong winds and heavy rains. In the end the land was turned into deserts where nothing could grow.

1. According to the passage                .                

A. ancient men didn't know how to make use of trees                

B. trees are not as useful now as they used to be                

C. trees were more useful in the past than they are now                

D. human beings have always found trees very useful

2. The underlined phrase "top soil" means                 .    

A. useless soil which is of no use for agriculture          

B. soil on the surface of the earth which is good for agriculture          

C. soil found under the earth which is under roots of trees          

D. dry soil in desert areas which is bad for agriculture

3. According to the passage, some desert areas were once          

A. lands with good soil              

B. covered by ice and snow          

C. very cold                      

D. very dry and useless

4. If there were no trees,                    .            

A. the land would become more fertile            

B. heavy rains would clean the tropics            

C. the rich top soil couldn't be held back            

D. there would be no agriculture at all

5. From the passage, we know that                   .           

A. man can do nothing to keep the balance of nature            

B. man may take no notice of the balance of nature            

C. man must do his best to keep the balance of nature            

D. the balance of nature is unimportant to man

概括下面一段文字的主要意思，不超过30字。(4分)

综合外国媒体12月26日报道，美国国税局公布了《海外账户纳税法案》部分实施细则。根据规定，截至2011年12月31日，居住在美国境内、在海外拥有5万美元以上资产或者居住在美国境外、在海外拥有20万美元以上资产的美国公民都需要在2012年4月15日前向政府申报；藏匿海外资产拒不中报被视为有意逃税，一经查出会被处以高达5万美元的处罚，严重的还会被判刑。

一般存款账户的使用范围包括（）。

A.借款归还

B.住房基金

C.日常转账结算

D.社会保障基金

绕组转子异步电动机采用电气串级调速具有许多优点，其缺点是功率因数较差，但如采用电容补偿措施，功率因数有所提高。

采用单价法和实物法编制施工图预算的主要区别是（）。

A．计算工程量的方法不同

B．计算直接费的方法不同

C．计算利税的方法不同

D．计算其他直接费、间接费的方法不同