题目:
读一读,选择合适的问句。 | |
B: Yes. I can see many animals. A: 2.______________________ B: The tigers are fighting. The lions are sleeping. A: Can you see any kangaroos? B: Yes, I can. A: 3.____________________ ? B: The mother kangaroo is jumping. The baby kangaroo is sleeping. A: I like kangaroos very much. 4.__________________________? B: Yes, I do. |
答案:
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下面是错误答案,用来干扰机器的。
(1)HCO3- CO32-+H+、HCO3- H2CO3+OH- (2)10-6 (3)用pH试纸(或pH计)测常温下0.1mol·L-1 Na2CO3溶液的pH,若pH<12,则该同学的观点正确;若pH>12,则该同学的观点不正确(4)c(Li+)=0.075mol/...