更多"Now scientists have found in the pa"的相关试题:
[单项选择]Now scientists have found in the past few years______.
A. the exposure of DNA to the public is unnecessary
B. the tiny cell in DNA is a neat little machine
C. man knows nothing about DNA
D. man has much to learn about DNA
[单项选择]Scientists have discovered in the past few years that ______.
A. the exposure of DNA to the public is unnecessary
B. the tiny cell in DNA is a neat little machine
C. man actually knows nothing about DNA
D. man has much to learn about DNA
[单项选择]Over the past few years, first radio, and now television, have shown the ______ public, who are after all the electorate, what in fact ______ when government bills are discussed and questions are asked.
A. average; turns up
B. ordinary; comes up
C. general; goes on
D. normal; lets on
[单项选择]Up to now scientists have not found how to ______ patients of that disease.
A. cure
B. treat
C. deal with
D. get rid of
[单项选择]Up to now scientists have not found how to______patients of that disease.
A. cure
B. treat
C. deal with
D. get rid of
[单项选择](Over) (the past) few years, medical researchers (are searching) for a means (to control) AIDS virus
A. Over
B. the past
C. are searching
D. to control
[单项选择]British scientists have found how to diagnose the disease, which causes loss of memory and personality change.
A. control
B. determine
C. prevent
D. treat
[单项选择]They were married for fifteen years but have now _______up and live apart.
A. split
B. divided
C. divorced
D. separated
[单项选择]Scientists have found that there are four levels of sleep, each _____ a little deeper than the one before.
A. is
B. was
C. being
D. to be
[单项选择]Scientists have already found problems that associated（）living in the ocean are nearly the same as those of living in outer space.
A. to
B. of
C. with
D. at
[单项选择]The Japanese scientists have found that scents ______ efficiency and reduce stress among office workers.
A. enhance
B. amplify
C. foster
D. magnify
[单项选择]The scientists found what the isolated roots need is （）
A. quite natural
B. sugar, minerals and vitamins
C. some rare vitamins
D. organic nitrogen compounds
[单项选择]The past few decades in Birmingham have proved that slum clearance ______.
A. will usually take longer than expected
B. creates as many problems as it solves
C. often raises racial issues
D. always achieves its aims, if well planned
[单项选择]Seldom （） mistakes during my past few years of working here.
A. would I make
B. did I make
C. I did make
D. shah I make
[单项选择]In the past few years, the little land-bound country had been ______ mercilessly by financial crises.
A. deviated
B. expedited
C. decimated
D. buffeted
[单项选择]Most of the scientists found his theory ______ too advanced.
