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【判断题】
竖直角包括仰角和俯角。A.
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B.
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举一反三
【简答题】B When the population of the port town began to suffer from poisoning, the police came to find the cause of the poison．They thought someone was poisoning the people on purpose but no one knew how it w...
【简答题】静脉输液(intravenous infusion)
【简答题】It is very important for us students to learn to use dictionaries. Try to find the answers to the questions in this dictionary extract（摘要）. 小题1:We can find these explainations（解释）in _________ dictiona...
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