题目

用方框中所给单词的适当形式填空 bookcaseunder hatsofabed (1) Look! The quilt is on my. (2) My books are in the. (3) My is on my head. (4) His computer game is on the in theliving room(客厅). (5) Her ruler is the chair. 答案:【1】bed 【1】bookcase 【1】hat 【1】sofa 【1】under下图所示为800℃时A、B、C三种气体在密闭容器中反应时浓度的变化,只从图上分析不能得出的结论是(  )A.A是反应物B.前2 min A的分解速率为0.1 mol·L-1·min-1C.达平衡后,若升高温度,平衡向正反应方向移动D.反应的方程式为:2A(g)2B(g)+C(g)
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