更多"The experiments in giving the virus"的相关试题:
[单项选择]The experiments in giving the virus to animals proved that this type of influenza was easy to catch ______.
A. and could possibly cause death
B. and had rather mild effects
C. but was not deadly
D. and did not have the usual signs
[单项选择]Experiments enable young scientists to judge accurately what must be accepted and what must be viewed with suspicion.
A. doubt
B. belief
C. curiosity
D. judgment
[单项选择]Numerous experiments have demonstrated that mass is ______ to energy.
A. convertible
B. exchangeable
C. transplantable
D. conceivable
[单项选择]What do experiments show about our memories
A. We are more likely to remember things we do than things we see.
B. People always remember pleasant things rather than unpleasant ones.
C. Our ability to remember something depends on our feelings when it happens.
D. We tend to have better long-term memories than short-term memories.
[单项选择]Experiments in the photography of moving objects () in both the united states and Europe before 1990.
A. have been conducting
B. were conducting
C. had been conducted
D. are conducted
[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]By conducting experiments on brave volunteers, Walter Reed was able to identify the particularkind of mosquito that carried yellow fever.
A. thin
B. hearty
C. curious
D. courageous
[单项选择]Experiments by scientists have shown that when people evaluate individuals on certain attributes,______.
A. they observe the principle that beauty is only skin-deep
B. they do not usually act according to the views they support
C. they give ordinary-looking persons the lowest rating
D. they tend to base their judgment on the individual’s accomplishment
[单项选择]With the success of experiments on vaccine against some forms of cancer, the research group has been ______ itself up for the furtherance of research in this field.
A. preparing
B. equipping
C. gearing
D. framing
[单项选择]Dr. Tichauer started his experiments initially to __________.
A. improve efficiency
B. increase production
C. reduce work load
D. improve comfort