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【判断题】
质量为 m 和 M 的两个物体,具有相同的动量.欲使它们停下来,外力对它们做的功相等.A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】According to the selection more than half of a person's body is composed of ______ .
A.
voluntary muscles
B.
involuntary muscles
C.
muscle fibers
D.
sensory nerves
【简答题】trailer truck
【简答题】Directions: For this part, you are allowed 30 minutes to write a short essay entitled Volunteer Service Is Welcome Everywhere. You should write at least 150 words following the outline given below: --...
【简答题】When I was in the sh grade, I was a candy striper (义工) at a local hospital in my town. I volunteered(自愿做) about 30 to 40 hours a week during the summer. Most of the time I spent there was with Mr...
【单选题】He was a very kind person. He always ______ to do whatever he could for us.
A.
grudged
B.
volunteered
C.
hesitated
D.
regretted
【简答题】This agency lavishly praised China’s aggressive response to the novel coronavirus.
【单选题】En dix ans, comment a évolué l'utilisation des écrans ?
A.
elle a baissé
B.
elle a stagné
C.
elle a augmenté
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