防无球队员始终要保持对手和球在自己的视线范围内,要做到(),要根据球和进攻队员的位置选择不同的防守位置。
参考答案:人球兼顾
Not until all the fish died in the lake __________ how serious the pollution was.
A.did the villagers realize
B.the villagers realized
C.realized the villagers
D.do the villagers realize
墨旱莲的功效是()
A.滋阴,润肠
B.滋阴,软坚
C.滋阴,清肺
D.滋阴,止血
E.滋阴,明目