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- 1一物体作直线运动,在前2s的平均速度是6m/s,后4s内的平均速度是3m/s,求该物体在全程中的平均速度.
- 2英语翻译
- 3根据下面的比喻义填写含有动物名称的成语!
- 4翻译短语1be upset by `` 2upset oneself about sth 3 be concerned at/over sth 4 be concerned in sth
- 5目前在使用的语言中,除了汉语还有哪些语言在用象形文字?
- 6i think mary is going to wear jeans to the party if she --- the teacher will not let her in 中----
- 7阅读理解:抬起头来做人(二)
- 8How are you today?--I feel much____.A.well B.fine C.better请详解
- 9I wonder if you could tell me how I could improve my oral English?()
- 10地球公转轨道平面就是黄道吗