a×b=c,当a一定时,( )和( )成正比例;当b一定时,( )和( )成正比例。
c;b;c;a
Elephants like eating ____, but lions like eating ____. [ ]
A. grasses; meats
B. grasses; meat
C. grass; meats
D. grass; meat
常用“苹果绿”来描述()外形、汤色、叶底色泽。
A.西湖龙井
B.齐山名片
C.天山绿茶
D.顾渚紫笋