下述哪项不是在妊娠期常见的心脏病()
A.围生期心肌病
B.先天性心脏病
C.心肌炎
D.风湿性心脏病
E.慢性高血压心脏病
参考答案:E
You job here is only ______, for you will be removed from it when we have a proper post for you
A.original
B.accurate
C.initial
D.temporary
重载万吨船顺流抛锚向右掉头,关于抛锚时机,下列哪项正确?()
A.船首尾线与流向平行时下锚
B.船首尾线与流向垂直时下锚
C.船首尾线与流向成30度角时下锚
D.船首尾线与流向成60度角时下锚