更多"Through experiments with marine org"的相关试题:
[单项选择]In scores of experiments, scientists are changing the genetic endowments of plants and animals, and the results could______ a revolution in farm fields, feedlots and dairy barns.
A. Spawn
B. bring
C. instigate
D. plot
[单项选择]A) organizations C) humans
B) organisms D) children
A. organisms
B. organizations C) humans
C. children
[单项选择]Volunteers taking part in the experiments in the Common Cold Research Unit ______.
A. suffered a lot
B. never caught colds
C. often caught colds
D. became very strong
[单项选择]Plateau's experiments were the first steps leading to the invention of ______.
A. eyeglasses
B. telescopes
C. bifocals
D. motion pictures
[单项选择]The purpose of George Spilich's experiments is ______.
[单项选择]Such ______ the results of the experiments.
A. is
B. was
C. are
D. as be
[单项选择]______ experiments on the laboratory, it started to rain heavily.
A. While performing
B. Performing
C. While I was performing
D. To perform
[单项选择]We must ______ that the experiments are carried out as rigidly as possible.
A. ensure
B. assure
C. insure
D. secure
[单项选择]The results of the experiments were ______ and they will have to be done again.
A. intricate
B. articulate
C. complicated
D. ambiguous
[单项选择]The sea otter is well adapted at its marine existence, with ears and nostrils that can be closed under water.
[单项选择]Most of the marine species living in the darkest depths have ______.
A. learned to live without light
B. evolved ingenious devices to help them
C. found ways to supply their own light
D. developed extremely sensitive eyes
[单项选择]After they did the experiments, they found _________.
A. both their watches were good
B. neither of their watches could tell the correct time
C. there was something wrong with the German watch
D. there was nothing wrong with the Japanese watch
[单项选择]Sometimes the messages are conveyed through deliberate 'conscious gestures', other times, our bodies talk without our even knowing it.
A. definite
B. intentional
C. interactive
D. delicate
[单项选择]He achieved success through hard work.
A. reached
B. reaped
C. attained
D. took
[单项选择]Through the discussion they gained an extraordinary insight into the complexity of women's emotions.
A. cleverness of
B. knowledge of
C. prediction of
D. perception of
[单项选择]The desegregation was achieved through a number of struggles, ______ have been mentioned in previous chapters.
A. a few of which
B. a few of them
C. a few of those
D. a few of that
[单项选择]Corruption in government was exposed through the agency of the press.（）
A. Dishonesty
B. Virtue
C. Prejudice
D. Diligence
[单项选择]Cutting taxes can lower investment through its impact on interest rates. This is an example of the: （ ）
A. Income effect.
B. Accelerator effect.
C. Crowding out effect.
D. Multiplier effect.
[单项选择]Ice particles bouncing off hail falling through a cloud acquire______.
A. a negative charge
B. no electric charge at all
C. a positive charge
D. bot
