更多"After years of research, scientists"的相关试题:
[单项选择]After years of research, scientists have ______the virus that is responsible for the disease.
A. recognized
B. identified
C. guaranteed
D. notified
[单项选择]After years of research, scientists have ______ the virus that is responsible for the disease.
A. recognized
B. identified
C. guaranteed
D. notified
[单项选择]After years of strenuous work, the scientists are on the __________.of a great discovery of human gene.
A. domain
B. premise
C. threshold
D. pretext
[单项选择]After years of research,Charles Drew devised a procedure for preserving plasma.
A. transporting
B. saving
C. reusing
D. labeling
[单项选择]After years of research, Charles Drew devised a procedure for preserving plasm
A. A． transportingB. savingC. reusingD. labeling
[单项选择]After years of research, Dr. Duke ______ new ideas on the muses of dream.
A. brought up
B. brought about
C. came up
D. came about
[单项选择]In spite of______among a few scientists, and years of______discussion, the claim that earthquakes can be predicted with great precision prevails.
A. antipathy … favorable
B. skepticism … contentious
C. mutualism … polite
D. receptiveness … intelligent
E. (E) popularity … rancorous
[单项选择]After scientists did some research ______ the health of workers, the government tried to find some way to meet their demand.
A. into
B. off
C. about
D. for
[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]After seven years' work, Chinese scientists ______ the task of launching their country's first spaceship in seven years.
A. achieve
B. accomplish
C. fulfill
D. complete
[单项选择]Only (within) the past 200 years (scientists have) found (out what) fire (is).
A. within
B. scientists have
C. out what
D. is
