41. the grey building is where the workers live， and the white one is where the spare parts _b_. [spare parts零部件]
a are producing b are produced c produced d being produced
48. _a_ a teacher in a university， it is necessary to have at least a master’s degree.
a to become b become c one become d on becoming
master’s degree 硕士学位; 当介词on后面加动词ing形式时表示时间概念“在…之后”。
49. the little man was _c_ more than one metre fifty tall.
a nearly b quite c hardly d almost
hardly more than 不足，不到。
36. the little man was _b_ one metre fifty high.
a almost more than b hardly more than c nearly more than d as much as
53. medical care reform has become this country’s most important public health _c_.
a question b stuff c matter d issue
matter 事物，事情; question 有疑而问，并且有待回答的问题;
questions and answers q & a 问与答; issue n. 问题(强调的是政治方面的问题)。
1999年前，台湾问题taiwan issue;1999年后，台湾问题taiwan question，态度转变。
60. if you don’t like to swim， you _b_ stay at home.
a should as well b may as well c can as well d would as well
may as well 还是，到不如。
70. they are teachers and don’t realize _a_ to start and run a company.
a what it takes b what takes it c what they take d what takes them
start and run a company 创立并经营一家公司。