填空题

【参考答案】

may→must。
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单项选择题
From the news, we know that analysts said, however, that the latest and any other production increases will have little impact because ______.
A.all of OPEC’s 11 members, except for Saudi Arabia, refused the suggestion
B.all of OPEC’s 11 members, except for Saudi Arabia, have reached their highest production point
C.the market will not be decided by mankind
D.the United States will lead the action
单项选择题
Who is willingly to introduce the registry of drug trials
A.The pharmaceutical industry.
B.US Food and Drug Administration.
C.The Congress.
D.The drug companies.
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