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- 题目分类：公共英语四级
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Why was University Tower torn down?
Why was University Tower torn down? A．Because a bell tower was to the built on t
听录音，回答题 What is the conversation mainly about?
听录音，回答题 What is the conversation mainly about?A．A standard unit for measuring w
The writer seems to think that the teacher's judgement on th
The writer seems to think that the teacher's judgement on that sensitive piece o
第35题答案
第35题答案
如图，一质量为m=4×10-8kg、电荷量q=-l×10-10C的带电微粒，以一定初速度从图中A点射入电场强度为E=4×
如图，一质量为m=4×10-8kg、电荷量q=-l×10-10C的带电微粒，以一定初速度从图中A点射入电场强度为E=4×104V／m的匀强电场中，入射方向与电场