—I have very good grade in English this

—What present shall we offer Johnson for his birthday? What kind of things does he prefer, a football, an iPod, or an e-bike?

—_____. Let's give him an e-bike．

A．No way

B．That's it

C．Not at all

D．It's a good idea

下列属于文艺复兴运动所抨击的对象是（  ）

①希腊、罗马文化的弊端 ②封建制度 ③宗教神学的独尊地位 ④资产阶级的贪婪

A．①②③

B．②③④

C．②③

D．①④

质量管理是指制定和实施（）的全部管理职能。

气体液化循环是( )循环。

A．闭式
B．开式
C．开式或闭式
D．不确定

对电工仪表如何进行正常维护？