CPU
参考答案:
通常将运算器和控制器合起来称为“中央处理器”,简称CPU。
用所给词的适当形式填空。(共5 分)
1、Do you often memorize new words by ____(make) vocabulary lists?
2、–You speak English very well. Who taught you?
-Nobody, I taught _______ (me).
3、I heard the brave policeman had caught two ________( thief ) in the street by himself.
4、My mother often practice _____________( dance ) at home.
5、We want to take a trip this summer somewhere in _________(east) China.
我国《生活饮用水卫生标准》规定汞浓度不得超过()。
A.0.001mg/L
B.0.02mg/L
C.0.05mg/L
D.0.01mg/L
E.0.15mg/L