更多"Up to now scientists have not found"的相关试题:
[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]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]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 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]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]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]It's reported that scientists have found __________ proof of early men in Africa.
A. commonplace
B. authentic
C. tentative
D. marginal
[单项选择]Most of the scientists found his theory ______ too advanced.
[单项选择]Scientists found ______ in the area where an "explosion"' had happened.
A. fragments of rock
B. a big hole
C. fallen trees destroyed by fire
D. a crashed spaceship
