、汽车运输线路按生产性质可分为()、()、()三类。
参考答案:运输干线;运输支线;辅助线路
阅读理解。
Some students often talk about their dream jobs. Betty wants to be a doctor because she thinks it's
difficult but fun. Susan thinks (A) a nurse is an angel in white. So she wants to be a nurse. Alan wants
a job for her. She likes making movies. She wants to be an actress like Gong Li. Tony likes talking to
the people. (B) He hopes he can be a reporter. Oh, what does Anna want to be? She wants to be a
teacher like Miss Cheng.
1. 把(A)处划线句子翻译成汉语。
___________________________________________
2. 把(B)处划线句子改为同义句。
He hopes _____ ______ a reporter.
3. Why does Betty want to be a doctor?
4. What does Gong Li do?
5. 从文中找出本文的主题句。
两个构件在多处接触构成移动副,各接触处两构件相对移动的()方向时,将引入虚约束。
A.相同、相平行;
B.不重叠;
C.相反;
D.交叉