题目内容

采用高速钢切削能降低表面粗糙度。()

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Which of the following can be the best title for the text?

A. The euro-zone economy
B. The euro-zone unemployment
C. The euro-zone low-inflation
D. The euro-zone recovery

Which of the following statements is true according to the opening paragraph?

A. Smokers have been prevented from quit smoking for years.
B. It is rare that smokers make a decision to quit.
C. It is preferable to abstain from smoking in groups.
D. Nonsmoker could be affected because of the ripple effects.

We know from the text that money cues

A. often interfere with moral issues in society.
B. seldom have an effect on the poor population.
C. can help people make right business decisions.
D. may boost unethical behaviors like cheating.

补骨脂中所含香豆素属于简单香豆素。()

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