进口导叶安装角减小时,压气机的特性线就会向()移动。
A、右下方
B、右上方
C、左下方
D、左上方
参考答案:C
My mother _____ Beijing in a few days. I wonder when the earliest plane _____ on Monday. [ ]
A. leaves; takes off
B. is leaving; takes off
C. is leaving; is taking off
D. leaves; is taking off
人民警察必须以《人民警察法》作为自己根本的活动准则。 ( )