更多"Scientists have already found probl"的相关试题:
[单项选择]Three dinosaurs have already been found on the ______ site.
A. evacuated
B. excavated
C. exhaled
D. exhorted
[单项选择]The accounting division has already found two candidates ______ qualifications meet the requirements for the job openings.
A. who
B. whom
C. whose
D. which
[单项选择]The research scientists often meet with problems_____new types of instrument for their solution.
A. requiring
B. required
C. to require
D. being required
[单项选择]The scientists often meet with problems that______new type of instruments for their solution.
A. inquire
B. require
C. acquire
D. squire
[单项选择]Doctors have found that laughter
A. keeps down blood pressure.
B. has similar effects to physical exercise.
C. decreases the heart rate.
D. increases stress.
[单项选择]What is found to have close relationship with rapid increase in population
A. War between 2 countries.
B. Ways discovered to increase productivity.
C. Migration from a continent to another continent.
D. A new religion beginning to be accepted by people.
[单项选择]Many Beijingers have already learned enough English to ______ a conversation with an English speaker.
A. go on
B. carry on
C. get off
D. get over
[单项选择]When he came back, George found Janet had already stayed
[单项选择]The board of directors have already discussed the subject ______ in the previous meetings and they will handle it in all its aspects.
A. in place
B. at length
C. on end
D. off and on
[单项选择]I soon found that the work I was doing had already been done by someone else— ______, I was wasting my time.
A. in fact
B. in other words
C. in a word
D. as a result
[单项选择]What have anthropologists recently found（）
A. There are cultural anthropology and physical anthropology.
B. There are three steps in the progress of human beings.
C. There were more civilizations in Egypt than in parts of Asia.
D. There is a longer history of human beings than it was thought before.
