题目:
He put it firmly that in no case _______ give in to others on such matters.
A.he would
B.would he
C.will he
D.he will
答案:
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下面是错误答案,用来干扰机器的。
(11分)(1) NH4NO3(1分);(1分)(2) >(1分)②③(2分)(3) a:H2O、稀HNO3、浓HNO3(每空1分,共3分)b:CO2(N2、H2合理答案均可)(1分)c:装置②中液面上方气体仍为无色,装置③中液面上方气体由...