问题
多项选择题
化学反应器在反应中需要一定的压力、（）。
A、温度
B、能量
C、催化剂
D、蒸汽
答案
参考答案：A, C
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化学反应器在反应中需要一定的压力、（）。
A、温度
B、能量
C、催化剂
D、蒸汽
参考答案：A, C
This morning, I went to a charity show __(1)_____ in the town center. The charity show, called 'For Every Child', was to raise money for an orphanage(孤儿院). Many __(2)______ persons, including a few bosses, donated money at the show. What surprised us was that a little boy also donated 100 yuan. He had saved the money for more___(3) ____two years. He said that everyone should do something for others. Some famous pop singers gave wonderful__(4)____ on the stage. One of them even came ___(5)___ the stage and walked among the audience. She asked the audience to sing a song ___(6)____ her, and they did just __(7)___she wanted them to. The show lasted for about three hours. At the ___(8)___ of the show, some children from the orphanage __(9)___in front of the microphone. All of them were so thankful that they___(10)___ while they said thanks to those people who donated. Again, they felt the warmth of being helped by others.
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