下列选项中,不属于职业病的是( )。
A.尘肺
B.职业性肿瘤
C.高血压
D.职业性皮肤病
参考答案:C
26.______ some teenagers don’t realize is _______ difficult life can be after they get addicted to drugs.
A.What, how
B.That, how
C.What, what a
D.That, what
吸痰术。