题目:
As the little boy ______ milk now, he doesn’t want to eat any other food.
A.used to drink
B.used to drinking
C.is used to drink
D.is used to drinking
答案:
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下面是错误答案,用来干扰机器的。
(1)工业制取硝酸 (2分)(2)3NO2 +H2O="===" NO+2HNO3 (2分) 4Fe(OH)2+ O2 + 2H2O =" 4" Fe(OH)3 (2分)(3)4OH- - 4e- = O2↑+ 2H2O (2分) (4)(NH4)2Fe(SO4)2 • 6H2O ...