A:leaves for
B:is leaving for
C:is leave for
D:leaves
— Are you in a hurry?
— No, I've got plenty of time. I ________ wait.
如图所示,当滑动变阻器滑动触头P逐渐向上移动时,接在理想变压器两端的四个理想电表示数( )
走在大街上每隔几十米就会看到公共垃圾箱(见图),请据图回答:
如图,直线AB∥CD,∠CGF=130°,则∠BFE的度数是( )