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估算． 59×7≈ 71×9≈ 586×5≈ 613×3≈ 316×6≈
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举一反三
【单选题】Who were some of the earliest Confucians?
A.
emperor relatives
B.
thinkers
C.
the man who hosted and lead rituals as a part ot their lob
D.
officials
【单选题】回答题： Natural Medicines Since earliest days， humans have used some kinds of medicines. We know this because humans have survived. Ancient treatments for injury and disease were successful enough to kee...
A.
much more successful than modem ones
B.
successful enough for humans to survive
C.
successful in all cases
D.
of little help to humans
【单选题】Who were some of the earliest Confucians?
A.
thinkers
B.
the man who hosted and lead rituals as a part of their job
C.
officials
D.
emperor relatives
【简答题】阅读理解。 Some of my earliest childhood memories are of the beach-in the hot sun, building sandcastles, burying Dad in the sand. Now the coast has a strangely-pleasant and relaxing attraction. I look forw...
【简答题】巴斯德的主要贡献包括哪些?
【简答题】In earliest times, men considered lightning to be one of the great mysteries of nature. Some ancient people believed that lightning and thunder were the weapons of the gods. In reality, lightning is a...
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