23（） A: faxes B: complaints C: reports D: researches

研究结果表明，人们越来越关心生活的质量。 A: The findings of researches show that people are more and more concerned about the life quality. B: The findings of researches show that people are more and more concerning about the life quality.

If medical researches on animals are strictly limited, it will be hard for human beings to make medical progress.

中国大学MOOC: In Civil Engineering, three basic methods involved in scientific researches are:

It is reported that millions of people in the US are not covered by health . A: reporters B: insurance C: researches D: materials

Various researches have determined that the biggest wave load appears when a wave length is _____ the ship’s length.

中国大学MOOC: You have to make some researches, except _____ before you negotiate your salary.

Some early researches show that job satisfaction is ( )associated with life satisfaction. A: negatively B: positively C: no significantly

The plane to New York _____ very early every morning. A: researches B: comes C: lands D: leavers

Biological researches clearly show that the mother’s licking causes internal biochemical changes in newborn baby animals.