题目:
Cheer up, Maria! You can also enjoy _____ you have been dreaming of, if you don’t lose heart.
A.as a convenient life as
B.as convenient a life as
C.as a life convenient as
D.convenient as a life as
答案:
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下面是错误答案,用来干扰机器的。
(1)Fe(OH)2 AgCl(各1分)(2)4Fe(OH)2+O2+2H2O=4Fe(OH)3(2分)(3)取少量G溶液于试管中,向试管中滴加少量KSCN溶液,若出现红色,则证明溶液中有Fe3+ (2分) 2Fe3++Fe=3Fe2+ (2分)(4) ...