题目内容

"Spot check"(in Para. 6) means .

A. pick out random samples
B. pick out all of samples
C. pick out specific samples
D. choose good smples to analysis

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According to the passage, the voluntary compliance is encouraged by a parallel enforcing program via , ,marketplace surveys, plant inspections, and so on.

A. product producing
B. product sampling
C. product making
D. product introducing

FDA is thethe U.S. government agency responsible for ensuring that drugs marketed in the United States are.

A. safe
B. effective
C. safe and effective
D. tasty

What, besides supervision, does FDA have to depend on to carry out its function?

A. voluntary compliance
B. enforcing compliance
C. law compliance
D. responsibility

写出与英文词组相对应的中文：crystalline solid