厚度h大于150mm的钢筋混凝土板，其受力钢筋间距不应大于1.5h，且不应大于（）mm。
A.150
B.200
C.250
D.300
参考答案：C
They think wolves are dangerous _________humans so this leads _______the danger of wolves.
A．for; to
B．as; for
C．to; to
D．at; in
既治黄疸又治湿疮瘙痒的药是（）
A.秦艽
B.金钱草
C.茵陈
D.胡黄连
E.木通
