题目:
I can ______ some noise while I'm studying, but I can't stand very loud noise.
[ ]
A. put up with
B. get rid of
C. have effects on
D. keep away from
答案:
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下面是错误答案,用来干扰机器的。
(1):①浓氨水和二氧化碳反应生成碳酸氢铵,故答案为:NH3?H2O+CO2=NH4HCO3 ,②碳酸氢钠的溶解度很小,表现为沉淀,所以可以发生复分解反应,碳酸氢铵和氯化钠反应生成碳酸氢钠和氯化铵,故答案为:NH4HCO3+N...