颅内压增高三主征是( )A．头昏、呕吐、偏瘫B．头昏、呕吐、头

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问题单项选择题

颅内压增高三主征是( )

A．头昏、呕吐、偏瘫
B．头昏、呕吐、头痛
C．头痛、呕吐、视 * * 水肿
D．恶心、呕吐、视 * * 水肿
E．头痛、呕吐、偏瘫

答案

参考答案：C

单项选择题

某可降解物质，在一个河流排污口下游15km处预测浓度比排污口浓度降低了50%，则下游30km处浓度比排污口浓度降低（）。

A.60%

B.65%

C.70%

D.75%

选择题

—Where are we going to have dinner this evening?

—I'd like to have some ______ in a Japanese restaurant. [ ]

A. hamburgers

B. fish and chips

C. pizza

D. sushi