甲乙签订房屋买卖合同，在房屋过户之前，甲又把房屋卖给了丙。乙起诉甲，要求甲履行房屋买

阅读理解。

     Luck and Kate are English girls. They are twins. They are studying Chinese in Beijing now. They are in Miss Gao's class. In their class, there are fifty-two students. There are twenty-eight boys and twenty-four

girls.

     Where are the twins? Look, they are sitting near the door of the classroom. Lucy is wearing a red coat. Kate is wearing a yellow sweater. They are having a Chinese class. They like Chinese.

根据短文内容判断正误。对的在括号里打（T），错的打（F）。

( )1. The two girls are twins. They are in a school of China.

( )2. Lucy is in a yellow sweater.

( )3. Now they are studying Chinese in the classroom.  

( )4. There are twenty-eight girls in their class.

下列药物中，可用作预防血吸虫病的药物有（）.

A.吡喹酮

B.蒿甲醚

C.青蒿琥酯

D.酒石酸锑钾

E.甲苯达唑

设树T的度为4，其中度为1，2，3，4的节点个数分别为4，2，1，1。则T中叶子节点数为( )。

A．8

B．7

C．6

D．5

女性，58岁。突发心前区疼痛3小时，心电图示急性前壁心肌梗死，既往无高血压史、癫痫史和出血性疾病史。入院时心率80次/分，律齐，血压20/12kPa（150/90mmHg），入院后2小时突然出现短暂意识丧失，抽搐，听不到心音，脉搏触不到。该患者最可能的诊断是（）

A.窦房传导阻滞

B.心房颤动

C.房室传导阻滞

D.心室颤动

E.室性心动过速

行政处罚的简易程序适用于( )的情形。

A．隔天实施行政处罚

B．1个月后实施行政处罚

C．当场实行行政处罚

D．其他行政处罚