测定某人基础代谢率与正常值比较,在什么范围内变动仍属正常()
A.±5%
B.±5%~10%
C.±10%~15%
D.±20%
E.±20%~30%
参考答案:C
隋朝,犹如一颗流星划过历史的天空,时间虽然短暂,却光芒四射。隋朝“光芒四射”的成就包括
①南北重归统一②三次远征高丽③开凿大运河④修筑万里长城[ ]
A.①②
B.①④
C.①③
D.②④
连词成句。
1. sometimes, ride, bike, I, my (.)
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2. Does, usually, Li Ming, to, walk, school (?)
3. Does, Jenny, take, always, bus, a (?)
4. forget, umbrella, your, Don't (.)