蛋白质占总能量的推荐比例是（）
A.55%～65%
B.20%～30%
C.10%～15%
D.60%～65%
E.20%～25%
参考答案：C
24. On July 5, violent crimes of beating, looting and burning in Urumqi of Xinjiang broke out, _____ 156 innocent people and with more than 1080 _____.
A．killed; injured
B．killing; injured
C．killed; injuring
D．killing; injuring
种子成熟后立即脱落的树种是（）
A、臭椿
B、刺槐
C、柳树
D、悬铃木
