如图8-6所示,小华家的猫在平面镜前欣赏自己的全身像,此时它看到的全身像是图中的( )
答案:C
此时小猫看到的全身像是,C
y=xlnx的导函数为 _____
Fifteen university students from Changjiang University were playing near the river, _____ they heard two
little children _____ "help". [ ]
A. when; shouting
B. while; shouting
C. while; shouted
D. when; to shout