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【单选题】
某调查员想在短时间内了解某社区居民对社区卫生服务的满意程度，他在该社区内的社区卫生服务站里选择了几个正在看病的病人进行访问，了解情况。这种抽样方法是A.
定额抽样
B.
雪球抽样
C.
整群抽样
D.
方便抽样
E.
立意抽样
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皮皮学刷刷变学霸
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【简答题】Match the English words with their correct meani
【单选题】．What sets human beings apart from animals is not the pursuit of happiness, but the pursuit of meaning, ________ is unique to humans.
A.
that
B.
what
C.
which
D.
as
【简答题】Match the words or phases with their Chinese meani
【简答题】The student spent a lot of time to improve the ac______ of what he has written in the sense of meaning.
【单选题】What does the professor mean when he says this:
A.
He is certain the students know the meaning of the word.
B.
He wants to make sure that students have understood his explanation.
C.
He is worried his students have not covered all the material so far.
D.
He wants to check whether his students have studied the material so far.
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