Learning new things has always been a great ______ for me.

When working on a high voltage circuit, you should always have another person present with you.This person should have a good working knowledge of （）

He put forward a theory,（）of great importance to the progress of science of technology

Not only ______ study well,but also he is always ready to help others.

The cylinder contains a great weight of air and is capable of burning a great quantity of fuel at（）.

At a rough estimate,Nigeria is（）Great Britain.

A relative bearing is always measured from（）.

To have a genuine interest in other perspectives implies that _____.

A great person is always putting others’ interests _________ his own.

Compared with other promotional methods, personal selling is more ______

The tall fellow over there is no others but the great mathematician, Bill Williams, himself.

A radar display in which North is always at the top of the screen is a(n)（）.