更多"Science is still （） of the causes o"的相关试题:
[单项选择]Science is still ______ of the causes of many kinds of cancer.
A. ignorant
B. unconscious
C. conscious
D. informed
[单项选择]Science is still largely ignorant ______ the causes of many kinds of cancer.
A. about
B. of
C. with
D. to
[单项选择]In countries where there are Still not many schools, education is ______.
A. a power
B. a privilege
C. a program
D. a promotion
[单项选择]This phenomenon still has many of them {{U}}wondering{{/U}} their heads.
A. fidgeting
B. meditating
C. worrying
D. scratching
[单项选择]That touching toads causes warts are still one of the most widely believed superstitions in America（）.
A. has
B. have been
C. had been
D. is
[单项选择]There are still many problems ahead of us, but by this time next year we can see light at the end of the_______.
A. battle
B. day
C. road
D. tunnel
[单项选择]There are still many problems ahead of us, but fortunately we can see the light at the end of the ______ by the terrific feedback I got from the market this time.
A. campaign
B. day
C. tunnel
D. road
[单项选择]How many kinds of migrating mammals are mentioned in the passage （）
A. Four.
B. Three.
C. Two.
D. One.
[单项选择]How many kinds of advertisements are mentioned in the passage
A. 7.
B. 5.
C. 4.
D. 6.
[单项选择]How many causes of bad breath does the passage cite
A. One.
B. Two.
C. Three.
D. Four.
[单项选择]How many kinds of insects are helpful to people
[单项选择]Without immediate action, many kinds of wild animals would die from hunger.
A. 如果立即采取行动，动物就会饿死。
B. 如果不立即采取行动，许多野生动物就会因饥饿而死亡。
C. 不立即行动，动物就会因饥饿而死亡。
D. 如果不立即行动，许多种动物就会因饥饿而死亡。
[单项选择]Plastic bags are useful for holding many kinds of food, ______ their cleanness, toughness, and low cost.
A. by virtue of
B. in addition to
C. for the sake of
D. as opposed to
