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问题 单项选择题

男，40岁，因触摸脉搏发现有水冲脉，进一步检查发现心尖搏动强有力，位移向左下方，在胸骨左缘第3～第4肋间可听到舒张期杂音呈泼水音。问此脉搏由何所致

A．左心房衰竭
B．左心室衰竭
C．心脏收缩无力
D．心脏收缩有力
E．脉压差距太大

答案

参考答案：E

选择题

图中晨昏线LP和纬线M（70°S）相切于O点，且O点此时为极昼。读图完成下列题。

小题1:列关于图中信息叙述正确的是

A．LO为昏线

B．OP可能是昏线

C．M纬线正午太阳高度角为90°

D．此时地球公转运动位于远日点附近小题2:若图中O点经度为120°E，则此时北京（116°E）的地方时为

A．12时

B．0时

C．11时44分

D．23时44分
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单项选择题

Charles liked music very much when he was at school, but (41) he went to the university he decided to study medicine (42) music. When he passed his examinations and became a doctor, he had to work in a hospital for (43) . There he discovered that a lot of patients were happier if (44) music was played for them. When Charles got an office and began to work (45) himself, he decided to (46) his patients happy by having a tape recorder in his waiting room play beautiful music for them.
But (47) the tape recorder had been put in(安装), Charles’ nurse heard a woman complain in the crowded (48) , "Here we’re (49) waiting to see the doctor, and he’s just playing (50) piano in his office instead of doing his work. \

[A]before [B]soon after[C]as soon as
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