【单选题】听力原文:M: How is school going, Barbara? Are you taking any new classes? W: I'm taking another really interesting course called Business and the Web. We are learning about e-commerce and how new technolo...
B.
Wireless communications.
【单选题】行星齿轮的有一大一小两个圆,两圆同心,在两圆之间的环形部分有另外几个小圆,所有的圆中最大的一个是( )
【单选题】What can be inferred from the first paragraph?
A.
Taking a nap is useless for busy people.
B.
Taking a nap is viewed as something for curing disease.
C.
Taking a nap is regarded as lazy to work.
D.
Taking a nap can promote your work efficiency.
【单选题】听力原文:M: How is school going, Barbara? Are you taking any new classes? W: I'm taking another really interesting course called Business and the Web. We are learning about e-commerce and how new technolo...
B.
Wireless communications.
【单选题】行星齿轮的有一大一小两个圆,两圆同心,在两圆之间的环形部分有另外几个小圆,所有的圆中最大的一个是( )
【单选题】行星齿轮的有一大一小两个圆,两圆同心,在两圆之间的环形部分有另外几个小圆,所有的圆中最大的一个是( )
【单选题】行星齿轮的有一大一小两个圆,两圆同心,在两圆之间的环形部分有另外几个小圆,所有的圆中最大的一个是( )
【判断题】接口与接口之间可以单继承,也可以多继承()