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

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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

单项选择题

腹部检查腹壁呈揉面感最常见于（）。

A.上消化道穿孔
B.急性胆囊炎
C.结核性腹膜炎
D.急性阑尾炎
E.急性弥漫性腹膜炎

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