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【单选题】How much sleep does a person need?【B1】the physiological bases of the need for sleep remain conjectural(猜想), rendering conclusive answers to this question impossible, much evidence has been gathered on...
A.
As
B.
Despite
C.
While
D.
Whether
【单选题】How much sleep does a person need (31) the physiological bases of the need for sleep remain conjectural (猜想), rendering conclusive answers to this question impossible, much evidence has been gathere...
A.
brief
B.
precise
C.
correct
D.
concise
【单选题】下列主题知识的归纳中，不正确的一组是（ ）
A.
化学与生活：用铁锅烹调食物→防止贫血；蛋白质摄入过量→使人生长发育迟缓等
B.
化学与材料：煤、石油、天然气→不可再生的化石燃料；风能、水能、太阳能→未充分利用的绿色能源
C.
化学与能源：玻璃→硅酸盐材料；玻璃钢→合金材料
D.
化学与环保：温室效应→气候变暖；过度施用农药、化肥→水污染和土壤板结
相关题目：
【单选题】How much sleep does a person need?【B1】the physiological bases of the need for sleep remain conjectural(猜想), rendering conclusive answers to this question impossible, much evidence has been gathered on...
A.
As
B.
Despite
C.
While
D.
Whether
【单选题】How much sleep does a person need (31) the physiological bases of the need for sleep remain conjectural (猜想), rendering conclusive answers to this question impossible, much evidence has been gathere...
A.
brief
B.
precise
C.
correct
D.
concise
【单选题】下列主题知识的归纳中，不正确的一组是（ ）
A.
化学与生活：用铁锅烹调食物→防止贫血；蛋白质摄入过量→使人生长发育迟缓等
B.
化学与材料：煤、石油、天然气→不可再生的化石燃料；风能、水能、太阳能→未充分利用的绿色能源
C.
化学与能源：玻璃→硅酸盐材料；玻璃钢→合金材料
D.
化学与环保：温室效应→气候变暖；过度施用农药、化肥→水污染和土壤板结
参考解析：
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