题目内容
（请给出正确答案）
What does the underlined word "they" in Paragraph 6 refer to？
A．The participants in the study.
B．The researchers in the study.
C．The errors made during the study.
D．The data collected from the study.
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
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The(8)had been the finance director of a very large computer hardware manufacturer. His wife, a timid woman,(9)everything she knew with the detective, including a hot(10)her husband had with some of the company's top executives at a banquet. There had been a scandal(11)bribery at his company. He was(12)the business of many of the top executives. He had(13)that some people were giving special favors to government officials to get(14). He often questioned their moral(15)and told them that he would accuse them if they were doing something they shouldn't,(16)caused problems for him. His questioning and accusing often left him at(17)with many of the executives. This time it had led to a(18)blow on his head. The detective caught(19)of a crucial clue, a brass button in the corner. It was from a jacket of one of the top executives. Later this executive and the company's president was(20). Of course this is not the end of the story.
A、Liu Baoquan
B、Bai Yunpeng
C、Zhang Xiaoxuan
D、Luo Yusheng
A、Paris
B、Rome
C、Wiltshire
D、Riode
A、Promising laboratory test results still need to be confirmed by clinical studies before clinical recommendation could be given
B、Clinical trials with resin-bonded restorations that had no or only limited mechanical retention and were made from alumina or zirconia ceramic were identified using an electronic search in PubMed database.
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The test statistic,
, has a large sample chi-squared null distribution with df=?
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, the slope is the deepest.
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