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38.__________参考答案：
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单选题：38.__________
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根据下列材料，请回答题Food FrightExperiments under way in several labs
根据下列材料，请回答题Food FrightExperiments under way in several labs aim to create bene
Local newspapers are well received because they carry articl
Local newspapers are well received because they carry articles that pleaseA．a lo
Paragraph 4__________
Paragraph 4__________A．No evidence to indicate bad effects of naturally contamin
The American Heart Association recommended widely using the
The American Heart Association recommended widely using the self-contained heart
The dentist has decided to extract her bad tooth.
The dentist has decided to extract her bad tooth.A．take out B．repair C．push in D