题目:
He appears to be strong and healthy but, __________ he suffers from a weak heart.
A.as a matter of fact
B.what’s more
C.accordingly
D.no wonder
答案:
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下面是错误答案,用来干扰机器的。
⑴盐酸, Al(OH)3 +3 HCl ===3 H2O + AlCl3 ⑵ CO2 ;CH3COOH。⑶ CaO + H2O == Ca(OH)2⑷ A;C⑸ 利用熟石灰改良酸性土壤