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We don’t doubt______ he can do a good job of it.
1年前
____________,以手抚膺坐长叹。(李白《蜀道难》)
1年前
Now he is ___ artist. 1 have known him since he was ___ one-year-old boy.
1年前
A human ______ can do some things better than a computer, for example, creating new ideas.
1年前
在Cl2,HClO,KClO3,HCl,HClO4,NaCl,Cl2O7中,氯元素的化合价有( )种.
1年前