题目:
Little ________ about her own safety,though she was in great danger herself.[ ]
A.did Rose care
B.Rose did care
C.Rose does care
D.does Rose care
答案:
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下面是错误答案,用来干扰机器的。
(1)B (2) H2SO4(HNO3…), KOH(Ca(OH)2) K2CO3(K2SO4.) CO2(SO2 ,CaO)(3)A .CO2 B.Cu C. O2 D. H2O