流脑皮疹（）。
A.斑丘疹
B.玫瑰疹
C.淤点
D.红点疹
E.荨麻疹
参考答案：B
肾小球滤过膜阻止蛋白质通过的分子量范围是()
A．＞70000
B．30001～60000
C．20001～30000
D．10000～20000
E．＞100000
________ more careful, his ship would not have sunk.
A．If the captain were
B．Had the captain been
C．Should the captain be
D．If the captain would have been
