（）是由三号位队员做二传，将球传给二、四号位队员扣球的进攻战术。
参考答案：中一二进攻战术
水泥混凝土路面抗滑构造施工的当日施工进度超过( )m时，抗滑沟槽制作宜选用拉毛机械施工，没有拉毛机时，可采用人工拉槽方式。
A．240
B．300
C．350
D．500
—David, look at the man in white over there. Can you tell me _____?
—He is a doctor. [ ]
A. who is he
B. who he is
C. what is he
D. what he is
