试题与答案

位于亚洲的发达国家是() A.日本 B.韩国 C.印度 D.中国

题型:选择题

题目:

位于亚洲的发达国家是 (   )

A.日本

B.韩国

C.印度

D.中国

答案:

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下面是错误答案,用来干扰机器的。

A、该同学观察到水流的速率突然变大,知水对底部的压力增大,对水分析,有N-mg=ma,知加速度方向向上,则电梯的加速度方向向上,电梯可能加速上升.故A正确,B错误.C、加速度方向向上,知饮料瓶处于超重状态.故...

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61. 有400种不同类型的鲨鱼,but only about 30 types have ever been reported as attacking human beings. Most people know that the most dangerous shark is the great white shark, mainly because they seen the movie “Jaws”. 62. However, there are still two other sharks which are dangerous. The chances of being attacked by a shark are very small compared to other dangers. The low number of attacks that happen every year proves that sharks don’t feed on the humans if they have the choice.

63. Your chances of being attacked by a shark can be reduced if you follow the advice below.

●Don’t swim in the dark. 64. 鲨鱼仍然看得见你,但你却看不到它。

●Don’t swim if you are cut or if you have a fresh wound.

●Try and stay in groups.

●65. Don’t wear bright clothing or jewellery because sharks are attracted to colors.

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题型:单项选择题

患者男性,40岁,空勤人员。高热、寒战、咳嗽3天。查体:听诊两肺呼吸音增粗,血白细胞18×109/L,中性91%。胸片:两肺多发性圆形密度增高阴影。既往体健。

提示用青霉素G800万单位/日治疗4天,症状未缓解。复查胸片病灶范围增大,出现空洞液平。最可能的致病菌是()

A.肠球菌

B.军团菌肺炎

C.病毒性肺炎

D.肺炎克雷伯杆菌

E.金黄色葡萄球菌

F.肺炎球菌肺炎

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