2019年mpacc考试英语真题——名词643

{01}Investigators are still trying to determine the __________ of the accident.

A.cause

B.problem

C.reason

D.puzzle

解析：cause起因；problem问题；reason理由；puzzle迷。这里指事故的起因。
本题选A。
{02}One thousand dollars a month is not a fortune but would help cover my living _____ .

A.bills

B.expenses

C.prices

D.charges

解析： living expenses生活费用。
本题选B。
{03}We have strong __________ for believing that the mine accident in Heilongjiang was due to the poor management.

A.grounds	B.reason
C.cause	D.purpose

解析：“grounds”在本句中意为“充分的理由；根据”且常用复数形式。这句话的意思是“我们有充分的理由相信黑龙江的矿难事故是由于管理不善所致”。
本题选A。