Lab workers must wear protective ______.

A．cloth  B．dress   C．clothing  D．costume

______ twice a year，whether it is a car or a truck，is the rule that every driver must obey in this city.

A．Examining    B．Examined

C．Having examined  D．Being examined

People have always been curious ______ how living things on the earth exactly began.

A．in   B．at   C．of   D．about

—What made you so delighted at Christmas?

—______.

A．I received much more presents than others

B．Because my parents promised me a new car

C．My uncle's coming back from abroad

D．As there was an unusual celebration

Sometimes we fail and sometimes we succeed.It is how you react that makes a______ in life.

A．development  B．point   C．progress   D．difference

Several rounds of air and ground attacks from the allied force left the whole city ______.

A．in pieces  B．in ruins   C．in part   D．in place

The ______ on his face told me that he was angry.

A.impression B．sightC．appearanceD．expression

She wanted the comfort of a large car and the low cost of a small one，so she bought a size in between the two______.

A．for compromiseB．as a compromise

C．as compromise D．for a compromise

—My daughter lived in France for five years and now she's working in a foreign company.

—______is no wonder that she speaks such excellent French.

A．ItB．ThereC．ThatD．This

_____ is believed that the better??known companies spend about 70 per cent of the total cost of the product itself on packaging!

A．ThisB．OneC．ThatD．It