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【单选题】
第一部中华人民共和国宪法颁布于 年。A.
1953
B.
1954
C.
1956
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参考解析：
知识点：
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举一反三
【单选题】The scientists began to accumulate data.
A.
collect
B.
handle
C.
analyze
D.
investigate
【判断题】The ability to collect a large quantity of data is an advantage of using telephone interviewing to collect research data.
A.
正确
B.
错误
【单选题】药物对动物急性毒性的关系是
A.
LD 50 越大，毒性越大
B.
LD 50 越大，毒性越小
C.
LD 50 越小，毒性越小
D.
LD 50 越大，越容易发生毒性反应
E.
LD 50 越小，越容易发生过敏反应
【简答题】Data : The that we collect when we do research.
【单选题】药物与动物急性毒性的关系是
A.
LD50越大,毒性越大
B.
LD50越大,毒性越小
C.
LD50越小,毒性越小
D.
LD50越大,越容易发生毒性反应
E.
LD50越小,越容易发生过敏反应
【单选题】Her essay was entirely based on data ______ from reliable records.
A.
collecting
B.
to collect
C.
collected
D.
being collected
【单选题】How did the museum collect the data in the Central African Republic?
A.
It sent a large team of scientists there.
B.
It cooperated with many African scientists.
C.
It recruited local people to collect mammals, etc.
D.
It sent cameramen to shoot videotapes.
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