Father went to his doctor for ________ about his heart trouble .

The medicine has a strong side ________ on our health though it works well.

—What’s the central idea of the passage，Bob?
—Sorry，I can’t make________of it.It’s beyond my ability.

Nowadays, there is a ____ that receiving education is a waste of time.

With a good ______ of both Chinese and English,she had an advantage over the other interviewees.

The expert did encourage the ______ of new medical treatments into his own country.

The fact that she told a lie had a great influence on her ________.   

—What’s the central idea of the passage，Bob?
—Sorry，I can’t make________of it.It’s beyond my ability.

Antarctica holds 90% of the world’s ice, and most of its fresh water (70%) is in a frozen          .

Parts of the cave have been badly affected by rain and           to the air.