上市公司聘任了董事会秘书就不必再聘任证券事务代表。 ()
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Suppose you tried to lift a 100-pound rock two feet, you______more work than if you______
A. would do...lifted
B. did...lifted
C. will do...will lift
D. would do...will lift
中心静脉压低于0.49kPa(5cmH<SUB>2</SUB>O)表示()
A. 血容量过多
B. 血容量不足
C. 右心房压力增高
D. 右心室压力增高
E. 肺水肿
交易日期调整系数应以估价时点时的价格为基准来确定。()
A. 正确
B. 错误