What is David doing now?
A:Watchihg TV.
B:Doing his homework.
C:Read doing a book.
下面几种生殖方式中,与其它三种不同的是( )
I have some____(果汁).
甲乙两队用一根轻绳进行拔河比赛,结果甲队获胜,则在比赛过程中( )