Great improvements in public health have been brought about by ________ in medical science.

1. Great improvements in public health have been brought about by ________ in medical science.

A. traditions B. advances C. pressures D. examples

【考点】

名词辨析;

【答案】

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单选题普通

1. The award was established in 1902 as a special for outstanding people in this field.

A. statement B. distinction C. commitment D. instruction

单选题容易

2. He will come to understand your efforts sooner or later. It's just a matter of _____.

A. luck B. value C. time D. fact

单选题容易