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【简答题】
Match the best choice from A to G according to what you hear. ( )1. All my friends ( )2. Alice ( )3. John ( )4. The twins ( )5. Tom A. will help to clean the room. B. will hang out and buy some gifts. C. is going to have a birthday party. D. wants to go fishing with his grandfather. E. plans to draw by the lake. F. is going to study for a math test. G. are planning how to spend weekends.
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【单选题】40711 Question:
A.
Fuel oil is leaking to sea from the bunkering station.
B.
Fuel oil is leaking to sea from the barge.
C.
Oil spill occurred due to the existence of deck scuppers.
D.
Oil spill occurred from deck scuppers.
【简答题】以凸轮理论轮廓曲线到凸轮回转中心最短距离为半径作的圆称为 _________ ,常用 __________ 表示。
【单选题】—“Are you hungry now? ” —“( ). ”
A.
All right
B.
No, a lot
C.
Yes, a little
D.
I’m hungry, too
【单选题】当代教育家苏霍姆林斯基在他曾经担任校长的帕弗雷什中学创立了几十个兴趣小组作为选择,这反映了教育必须适应人身心发展的哪一个特点
A.
顺序性
B.
稳定性
C.
可变性
D.
个别差异性
【简答题】某理想气体在 p ― V 图上等温线与绝热线相交于 A 点,如图所示。已知 A 点的压强 ,体积 ,而且 A 点处等温线斜率与绝热线斜率之比为 0.714 。现使气体从 A 点绝热膨胀到 B 点,其体积 。则 B 点处的气体压强为 。(取三位有效数字)
【简答题】某理想气体在 p ― V 图上等温线与绝热线相交于 A 点,如图所示。已知 A 点的压强 ,体积 ,而且 A 点处等温线斜率与绝热线斜率之比为 0.714 。现使气体从 A 点绝热膨胀到 B 点,其体积 。则在此过程中气体对外做的功为 J 。(取三位有效数字)
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