润滑油注油时，按规定的（）注油。
A.油量
B.油品
C.油质
D.油号
参考答案：A
The experiment shows that proper amounts of exercise, if _____ regularly, can improve our health. [ ]
A. being carried out
B. carrying out
C. carried out
D. to carry out
网内往来系统是处理同一数据中心内往账行与来账行之间（）业务的应用系统。
A.本币资金汇划
B.查询
C.查复
D.外币资金汇划
