单选题：We were shocked to find that Mary didn't know her guest's n

题目内容：

We were shocked to find that Mary didn't know her guest's name. A．frustrated
B．disturbed
C．relieved
D．surprised

参考答案：

答案解析：

Loud noises can be annoying.

Loud noises can be annoying.A．hateful B．painful C．horrifying D．irritating

分类：卫生类题型：单选题

Jack consumes a pound of cheese a day.A．eats B．drinks C．buys D．produces

分类：卫生类题型：单选题

The study has posed a question about this nature.A．supported B．cancelled C．arous

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The drinking water has become contaminated with lead.A．polluted B．treated C．test

分类：卫生类题型：单选题

They are trying to identify what is wrong with the present system.A．prove B．dis

分类：卫生类题型：单选题