单项选择题

急性左心衰竭的体征是（）。

A.强迫侧卧位
B.咳大量铁锈色泡沫痰
C.皮肤潮红
D.两肺布满干性啰音
E.可闻及舒张期奔马律

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单项选择题

有机磷中毒特征性的临床表现是（）。

A.瞳孔缩小针尖大
B.面色潮红
C.恶心、呕吐、腹痛
D.昏迷
E.流涎

未分类题

Information in the passage suggests that one reason manufacturers might take advantage of the tax provision mentioned in the last paragraph is that______A.there are many kinds of products that cannot be legally dumped in a landfillB.liquidators often refuse to handle products with slight imperfectionsC.the law allows a deduction in excess of the cost of manufacturing the productD.media coverage of contributions of excess-inventory products to charity is widespread and favorableE.no tax deduction is available for products dumped or sold to a liquidator

A.there
B.liquidators
C.the
D.media
E.no

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