2019年mpacc考试英语真题——连词1212

{01}A programmer may make mistakes in a wrong analysis of the situation _____ the programme was based.

A.which

B.of which

C.on which

D.of what

解析：考查介词+which引导定语从句，介词的选择可以根据先行词决定，也可以根据后面的动词搭配，这句话的定语从句缺少介词on，用on which引导定语从句，句意是：程序员在计划基于的形势分析上可能犯错误。选C。
本题选C。

{02}There are fewer teaching positions left in big cities, ______ at the same time there are shortages of teachers in small towns．   

A.or

B.and

C.so

D.for

解析：考查连词。or 表选择关系；and表并列关系；so和for表因果关系。句子前后是并列关系，所以选B。
本题选B。