12×50%=
参考答案:
6 ;8/5; 4/5 6 2
人体皮肤不具备的是( )。
A.免疫功能
B.排泄功能
C.调节体温的功能
D.感觉功能
_____ you practice, _____ you will be at your English speak. [ ]
A. The more, the more
B. More, better
C. Very much, the more
D. The more, the better