【判断题】In the following pair of sentences, sentence a is more formal.a. The supermarket can provide a lot of things for people to choose from.b. There is a wide variety of options/ alternatives for customer ...
【简答题】从以下词汇表中选择正确的词汇填入括号,每一个括号的答案不同且唯一:resistors;capacitance;nonlinear;resistance;corresponds to;be divided into;electricity;inductor;electrical;capacitor 1、Capacitor’s basic function is to store ( ) ene...