关于电流下列说法中正确的是 A．通过导体横截面的电荷量越大

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问题选择题

关于电流下列说法中正确的是

A．通过导体横截面的电荷量越大，导体中的电流越大

B．电流的方向就是电荷定向移动的方向

C．电流既有大小又有方向，是一个矢量

D．电流越大，单位时间内通过导体横截面的电荷量就越多

答案

答案：D

单项选择题

男性，20岁。热水泥烫伤8小时。查体：P145次／分，BP85/50mmHg。烦躁不安，尿少。Ⅱ度烧伤面积85%。目前宜采取的紧急处理措施是（）

A.立即清创，止痛，输液

B.止痛，输液，清创

C.输液与清创同步

D.先予止痛，后送病房抗休克处理

E.快速补液、吸氧，创面暂用无菌巾覆盖，待休克好转后清创

句型转换

句型转换。

1. When I grow up, I want to be an artist.（对画线部分提问）

do you want to ____ when you grow up?

2. John needs to cut his hair because his hair is too long.（改为同义句）

John needs to ____ his hair because of his long hair.

3. After planting the trees you should water them often.（改为同义句）

The trees often after they_______ __________.

4．Tim likes Chinese. So does Rose.（将两句合并为一句）

Tim Rose ____ Chinese.

5. Lucy doesn't seem to have many friends here.（改为同义句）

Lucy doesn't have many friends here.