四级复习资料大全听力(21)

　　37.【解析】variety。a variety of为习惯用语，表示各种各样的, 种类繁多的。

　　38.【解析】tradition。从空格前的a long和空格后的介词of可以推断此处应填一名词。空后的history对所填词起一定的提示作用。

　　39.【解析】throughout。从空格后的逗号后面是一个完整的句子可以判断所填词应该是介词。空后的 its history及 the country has welcomed from all over the world, most of whom have needed to learn English中两处用的现在完成时起提示作用。

　　40.【解析】immigrants。所填词作welcomed的宾语，并且这些人是来自世界各地，他们中的大多数都需要学英语。

　　41.【解析】experienced。从and可以判断所填词和qualified构成并列关系，因此所填词应为一形容词，概念上与qualified相近，共同修饰teachers。

　　42.【解析】overseas。所填词修饰students，因此应该为一形容词。空前的from allover the world起提示作用。

　　43.【解析】enroll。所填词作who的谓语，并且与students在数上一致，故应填一原形动词，并且此动词和介词on搭配。

　　44.【答案】Most of these institutions provide preparation courses for students who need to improve their English before they start university study

　　【Main Points】Students who need to improve their English before they start university study can take preparation courses in these universities and colleges

　　45.【答案】they are the most common type of courses taken by overseas students

　　【Main Points】overseas students usually take these courses

　　46.【答案】the chance to get to know the school where they will be studying and become more familiar with the American academic environment

　　【Main Points】the chance to know their school and the American academic environment