更多"______ experiments on the laborator"的相关试题:
[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]Dr. Tichauer started his experiments initially to______.
A. improve efficiency
B. increase production
C. reduce work load
D. improve comfort
[单项选择]The purpose of the psychologist's experiments is to test whether smoking has a positive effect on the mental _________ of smokers.
A. faculty
B. volume
C. capacity
D. competence
[单项选择]The concert started at 8 and I didn't want to arrive ______ for the first band.
[单项选择]Before we started out,we'd better （） the time of the next train in the time table.
A. look after
B. look up
C. look for
D. to look for
[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]No sooner had we started the exam than it ______ to snow.
A. begin
B. begins
C. began
D. is beginning
[单项选择]Experiments have confirmed the assumption of many executives.
[单项选择]Unfortunately war {{U}}started{{/U}} suddenly in the Middle East on October 6, 1973.
A. broke out
B. broke off
C. broke through
D. broke away
[单项选择]Experiments have shown that 160 decibels of noise are {{U}}lethal{{/U}} for small fur-bearing animals.
A. protective
B. deadly
C. harmful
D. deafening
[单项选择]The experiments led by Allan Rechtaschaffen and Bernard Bergmann at the University of Chicago ______.
[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]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
