单位时间内完成的货运量或货物周转量称为汽车运输生产率。
参考答案：对
给下列多音字各组一个词
（1）笼（lóng）______（lǒng）______
（2）曲（qū）______（qǔ）______
（3）背（bēi）______（bèi）______
Students need to know______. [ ]
A. what to learn English well
B. how to learn English well
C. how to learn English good
D. what to learn English good
