用热水袋能取暖，这表明通过______方式可以改变物体的内能．

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问题填空题

答案

用热水袋能取暖，手的温度低，热水袋的温度高，存在温度差，内能由温度高的水传向温度低的手．

故答案为：热传递．

阅读理解

根据短文内容，判断正(T)误(F)。

There are eighteen boys and twenty-five girls in our class. One of the boys is English. His name is

Tom. He is thirteen. Two of the girls are American. They are twins. Their names are Jane and Joan.

They are twelve. They are my friends. All of the Chinese boys and girls are Young Pioneers (少先队

员). We all Chinese students like (喜欢) the English boy and the American girls, and they like us, too.

We help each other.

( )1. In our class there are forty-three students.

( )2. The twin sisters are from England.

( )3. Joan is twelve, and Tom is thirteen.

( )4. All the students in our class are Young Pioneers.

( )5. We like American and English students.

单项选择题 A2型题

患者女，26岁。服农药约20ml后，咳嗽，出汗多，继之先咳白色泡沫痰，后呈粉红色，抽搐，呼之不应，体检，呼吸26次/分，血压110/80mmHg，两侧瞳孔小似针尖，两肺满布湿啰音，心率80次/分，律整。衣服上有呕吐物，大蒜样气味，本病例应立即首先给予（）

A.洗胃

B.吸入经酒精湿化的高浓度氧气

C.毛花苷丙静脉注射

D.静脉注射阿托品

E.氨茶碱静脉注射