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]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
[单项选择]The two warlords' forces have （） up to now.
A. been busy with their leaders' funerals
B. prevented evil treatment from their rivals
C. prepared new attacks against each other
D. prepared talks
