光呼吸是绿色细胞在光照下吸收氧气、释放二氧化碳的现象,和光合作用同时进行。( )
参考答案:对
连词成句。
1. time you do up what get (?)
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2. o'clock at she to eight goes school (.)
3. usually eat people the in dinner evening(.)
4. bus takes at him usually the 7:00 work to(.)
5. think can what job you his is (?)
用时间生物学方法来阐明化学毒物对机体影响的是()
A.剂量-反应关系
B.剂量-效应关系
C.剂量-毒性关系
D.剂量-时间关系
E.时间-剂量-反应关系