单选题
Migrant Workers

In the past twenty years, there has been an increasing tendency for workers to move from one country to another. (51) some newly independent countries have understandably restricted most jobs to local people, others have attracted and welcomed migrant workers. This is particularly the case in the Middle East, (52) increased oil incomes have enabled many countries to (53) outsiders to improve local facilities. (54) the Middle East has attracted oil-workers from the USA and Europe. It has brought in construction workers and technicians from many countries, (55) South Korea and Japan.
In view of the difficult living and working conditions in the Middle East, it is not (56) that the pay is high to attract suitable workers. Many engineers and technicians can earn at least (57) money in the Middle East as they can in their own country, and this is a major attraction. An allied benefit is the low taxation or complete lack of it. This increases the net amount of pay received by visiting workers and is very popular with them.
Sometimes a disadvantage has a compensating advantage. (58) , the difficult living conditions often lead to increased friendship when workers have to depend on each other (59) safety and comfort. (60) , many migrant workers can save large sums of money partly (61) the lack of entertainment facilities. The work is often complex and full of problems but this merely presents greater challenge to engineers who prefer to find solutions (62) problems rather than do routine work in their home country.
One major problem which (63) migrant workers in the Middle East is that their jobs are temporary ones. They are nearly always on contract, so it is not easy for them to plan ahead with great confidence. This is to be expected since no country welcomes a large number of foreign workers as permanent residents. (64) , migrant workers accept this disadvantage, along with others, because of the (65) financial benefits which they receive.

【正确答案】 C
【答案解析】所给的四个选项都是语法连词，但意义各异。这个句子的主从句表达了两种不同的情况，即some newly independent countries和other countries的不同，用while来连接表示对比。又如：while we eat rice as our staple food, they eat bread as theirs.
【正确答案】 B
【答案解析】这里用where来引导一个非限定性的定语从句，相当于in which，指前面出现的Middle East。
【正确答案】 A
【答案解析】call in是“引来，招募”的意思，其他三个选项都是动词短语，各有自己的意义，call off：“取消”，call up：“给……打电话”，call on：“拜访”。
【正确答案】 D
【答案解析】Thus用来表示结果。前一句讲了中东地区石油收入增加了，这一句要讲的是结果。
【正确答案】 C
【答案解析】这里需要的是一个分词，故include和includes都可以排除。在余下的两个分词形式中，应该挑选的是-ing形式，因为其意义是主动的。
【正确答案】 D
【答案解析】这里应该填入的是一个形容词性质的词，surprisingly是副词，surprise是名词和动词，故都不全不知surprised和surprising均可作形容词用，但意义不同，surprised是“感到惊奇的”，surprising是“令人感到惊奇的”。
【正确答案】 A
【答案解析】选项C和D本身都不是英语中正确的表达方式，因而根本不在考虑之列，选项A和B两者都是“……的两倍”的意思，但区别是twice as much用于不可数的物质名词，twice as many用于可数名词。又如：They are consuming twice as much fish as they used to.他们现在吃的鱼比以前多了一倍。The school is enrolling twice as many students as it did two years ago.这所学校的招生人数比两年前翻了一番。
【正确答案】 C
【答案解析】本段的第一句是本段的主题句，即：有时一个不利之处会得到一个有利之处的补偿。接下来作者举了一些发展这个主题句的例子，故应该填入For example，以示前后两句在意义上的关系。
【正确答案】 B
【答案解析】depend on这个短语的意思是“依靠……”，如果后面想表示出在哪一方面依靠别人，那就要用介词for来表示。又如：Many developed countries depend to varying extent on the Middle East countries for their oil supply.不少发达国家在不同程度上都依靠中东国家提供石油。
【正确答案】 B
【答案解析】In a similar way这个句首的状语表明这一句所讲的内容是类似的，实际上这前后两句话讲的都是生活条件艰苦这一不利带来的好处。
【正确答案】 A
【答案解析】这里只可能填入一个介词，不可能填入连接词，因为后面没有句子，所以because不能考虑。从内容上看，这里需要的是一个表示原因的介词短语，以说明工人们为什么能攒起大笔的钱，故应填入because of。
【正确答案】 D
【答案解析】soluton后面习惯上用to这个词。
【正确答案】 B
【答案解析】这四个选项词型和发音有点相像，但意义毫不相干，effect常作名词用，意思是“效果”，affect是动词，意思是“影响”，detect是动词，意思是“察觉”，reflect也是动词，意思是“反映”。
【正确答案】 D
【答案解析】in any case是“尽管如此，无论如何”的意思，如：In any case，we will pass your house. So just let us pick you up at eight.我们总得要路过你的家，就让我们在8点钟来接你吧!in case是“万一”的意思，in a case和in all cases并不是固定的表达方式。
【正确答案】 A
【答案解析】considerable是从consider派生而来的一个形容词，但它的意思是“相当大的，可观的”。considerate的意思是“考虑周到的，体贴的”，另外两个选项则是动词consider的分词形式，在这里是毫不相干的。