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The scientists have made an______study of the viruses that cause the disease.A.exhaustedB.
The scientists have made an______study of the viruses that cause the disease.
A.exhausted
B.exhausting
C.exhaustive
D.exhaustion
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The scientists have made an______study of the viruses that cause the disease.
A.exhausted
B.exhausting
C.exhaustive
D.exhaustion
A.within
B.scientists have
C.out what
D.is
Up to now scientists have not found how to ______ patients of that disease.
A.cure
B.treat
C.deal with
D.get rid of
ct)
This is an important problem _______ too few social scientists have researched. A. which B. that C. into that D. into which
(Leading) scientists are often the (kinds of person) who (have enjoyed) intellectual challenges (all their lives).
A.Leading
B.kinds of person
C.have enjoyed
D.all their lives
The article does not say whether the scientists' experiments with dogs have ______.
A.benefited animals other than dogs
B.served man
C.helped other dogs
D.contributed to medical knowledge
The article does not mention whether the scientists' experiments with dogs have ______.
A.benefited animals other than dogs
B.served man
C.helped other dogs
D.contributed to medical knowledge
With the population explosion, scientists will have to() new methods of increasing the worlds food supply.
A.lead to
B.carry out
C.come up with
D.stick to
Scientists will have to___new approaches of increasing the world’s power supply.
A.put up with
B.catch up with
C.stand up for
D.come up with
A.little
B.much
C.some
D.any
A. what
B. that
C. which
D. where