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【单选题】
已知 a = b = ，且 a ⊥ b ，则锐角 的大小为（ ）A.
B.
C.
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【简答题】Section C 11. What is John Wilson? He is the __________ of a big company. 12. What will John Wilson do next week? He will be away for __________. 13. Who are going to report to him on his trip? ______...
【简答题】He will be away for long next year.(改为否定句) He ______ ______ away for long next year.
【简答题】あの人はどうやら計算( )弱いらしいです。
【简答题】Listen to the passage and fill in the blanks with the missing words or phrases. John Wilson is the 1 of a big company. He is always very busy and travels a lot. He will be away for 2 all next week. He...
【单选题】有关动作电位传导的叙述,错误的是 ( )
A.
通过局部电流传导
B.
动作电位沿神经纤维传导称神经冲动
C.
具有 " 全或无 " 的特点
D.
动作电位幅度随传导距离而减小
E.
每个动作电位不会重叠,也就是脉冲式传导
【简答题】听对话，判断正（T）误（F）。对话读两遍。 ( )1. The man will go camping. ( )2. He will be away for a week. ( )3. He will leave on May 1st. ( )4. He will buy a tent. ( )5. No one will go with him.
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