Which is the most dangerous to children？
A. Toys.
B. Hot water.
C. Electric appliances.
沟通不是目的而是手段，目的是使发送者的信息准确地被接受者理解。()
A. 正确
B. 错误
Bad habits will become ______ while we are growing up if we don't notice their danger.
A. stronger
B. weaker
C. important
组织的绩效是由组织中成员被激励的情形决定的。()
A. 正确
B. 错误
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