你在这门课程中所付出的努力是:[The amount of effort you put into this course was:]
A.
1.非常高[Much Higher]
B.
2.高[High]
C.
3.中上[Average High]
D.
4.平均[Average]
E.
5.中下[Average Low]
F.
6.低[Low]
G.
7.非常低[Much Lower]
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
皮皮学刷刷变学霸
举一反三
【单选题】Generally the function of lubrication is to form. of a film of lubricant between any two surfaces that have relative _____, so that surfaces dont get touch with each other.