男性，77岁，反复晕厥伴抽搐2d，既往无胸痛、发绀、水肿及气短，_爱下问搜题

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问题单项选择题

男性，77岁，反复晕厥伴抽搐2d，既往无胸痛、发绀、水肿及气短，血压180/70mmHg，心率45/min，律齐，心尖部第一心音强弱有变化，心底部有2/6级收缩期杂音，其反复晕厥伴抽搐的原因最可能的是（）

A.高血压脑病

B.窦性心动过缓伴室性期前收缩

C.完全性房室传导阻滞

D.二度Ⅰ型房室传导阻滞

E.阵发性房颤伴部分房室传导阻滞

答案

参考答案：C

完形填空

Robeson was born in a very poor family. At seven, he had to pick coal in a deserted mine near his home, then he sold   1  he had picked and earned a few coins to help his parents. He had   2  schooling, for being so poor, how could they   3  school fees?
When he was fifteen, he worked   4  a servant in a school. Looking at other children studying in the classroom, he felt   5  for himself. How he  6  to have the same chance! He decided to study by  7 . In the daytime, after the sweeping and cleaning was over, he   8  stand by the window outside the classroom trying to catch what the teacher said. At night, he tried his best to remember what he 9   during the day. He worked  10  hard at his lessons that he sometimes had just three or four hours to sleep. The more he learned, the greater   11  he showed in his lessons. A maths teacher discovered him and came to like this diligent boy and  12  him to sit at the back of the class. In one exam, he was the   13   one in the whole school who reached the highest grade. He would have been given the scholarship if he   14   a regular student of the school.
Robeson   15  through six long years with his study of maths and wrote several articles which captured the   16  of some university professors. They admired his talent   17  his diligence. To give him a good chance, they hired him as a librarian and   18   him free guidance. Robeson felt   19 , for he was sure that before him there was a broad road  20  success.

A．the teacher

C．his parents

D．his schoolmates

A．had learned

B．has been taught

D．had been written down

B．according to

D．in spite of

D．disappointed

B．coming from

D．covered with

单项选择题

某公司拟向巴西出口一批大蒜，办理报检手续后又改为出口至阿根廷，以下描述正确的是（）。

A、如果尚未实施检验检疫，即使巴西和阿根廷对大蒜要求不同也不需重新报检

B、如果已经实施检验检疫，即使巴西和阿根廷对大蒜的检疫要求相同也需重新报检

C、如果巴西和阿根廷对大蒜的检疫要求不同，则不论是否实施检验检疫都应重新报检

D、如果巴西和阿根廷对大蒜的检疫要求相同，则不论是否实施检验检疫都不需重新报检