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【单选题】
某调查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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【判断题】Read the following question and introduction below. Some people believe the arts should
not be taught in schools as subjects such as computer skills and
accounting are more important in the modern w...
A.
正确
B.
错误
【简答题】阅读下列短文，选择正确的答案。 All the cities are quite the same. Living in a modern Australian city is not very different from living in an American city. But there are some differences on farms. In many parts of t...
【简答题】In all modern school systems the textbook has long served not only to support instruction but to symbolise that instruction, in other words, the textbook defines the ( ).
【简答题】Correct the errors in the following sentences. 1) My father never gave me many advices. 2) Our school bought two pieces of equipments for the lab. 3) In modern age, electronics have been developing ve...
【简答题】阅读理解。 All the cities are quite the same. Living in a modern Australian city is not very different from living in an American city. But there are some differences on farms. In many parts of the world, ...
【简答题】以下运输方式中，计划性较强，行驶阻力较小的是（ ）。
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