一块或两块副翼故障时,油耗大约增加()
A、0.06
B、0.1
C、0.2
参考答案:A
在500kV带电线路附近工作,不论何种情况都要保证对500kV线路的安全距离为()m,否则应按带电作业进行。
A.3;
B.4;
C.5;
D.6
My student drew a picture ________me ________ a birthday present. [ ]
A. for, as
B. give, for
C. to, as
D. to give, like