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A. over
B. at
C. around
D. on

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She is ahighly successful teacher.

A. fairly
B. rather
C. very
D. moderately

超高压食品可能存在的卫生学问题有哪些?

请在第__(58)__处填上正确答案。 查看材料

A. self-esteem
B. self-assurance
C. self-analysis
D. self-preservation

What does the experiment lnentioned in paragraph 4 prove?

A. There are more enzymes in decaf drinkers" urine sample.
B. There are more melatonin concentrations in caffeine drinkers" urine sample.
C. Decaf drinkers produce less melatonin.
D. Caffeine drinkers produce less sleep hormone that decaf drinkers.

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