题目内容

Placebo pills usually are made of ______.

A. inactive substance
B. active drug
C. radioactive substance
D. explosive substance

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What the doctor at Beth Israel has in the primary nurse is a ______.

The employer dictated the letter to his secretary, who wrote it down in shorthand.

A. delivered
B. handed
C. read
D. Revealed

How are the events of Dorothea Dix's life presented in the passage?

A. In random order.
B. In chronological order.
C. In alphabetical order.
D. From greatest to least significance.

The normal hamsters had a daily cycle of 24 hour, and the mutants were on a 20- hour cycle.

A. Right
B. Wrong
C. Not mentioned

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