单选题：Many young began to taking drugs without realizing what the

题目内容：

Many young began to taking drugs without realizing what the danger is． A．risk
B．harm
C．pain
D．effect

参考答案：

答案解析：

The Weight ExperimentNicola Walters has been taking part in

The Weight ExperimentNicola Walters has been taking part in experiments in Scotl

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