填空题

Blood testing is another widely accepted method of drug testing.

【参考答案】

NG

<上一题目录下一题>

热门试题

填空题

Using the RIAH technique, it can be confirmed whether a person have used illegal drugs during the past four months.

填空题

By talking to the kids about the danger of taking drugs, drug use among teenagers can be decreased by about a third.