问题
单项选择题
背压式汽轮机在启动前应挂好（）装置。
A、危急遮断器
B、磁力断路油门
C、轴向位移
答案
参考答案：A
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背压式汽轮机在启动前应挂好（）装置。
A、危急遮断器
B、磁力断路油门
C、轴向位移
参考答案：A
It is fine Sunday. Jenny and her mother are on the 1 . They want to go to 2 . There are many children on it. Their parents are telling stories to 3 . An old man gets 4 the bus. He has no seat(座位) to sit in. Jenny asks him to sit in her seat. The old man 5 Jenny. There are two foreigners(外国人) on the bus. They want to go to the Great Wall, too. But they 6 speak Chinese. Jenny talks to them in English. She tells them Beijing is a big city 7 a long history. And the Palace Museum is very famous, too. She tells stories 8 the Palace Museum. At the same time they learn about a lot of Chinese culture(文化) from Jenny. They think the stories are 9 and they want to visit other places of interest in China soon. Can their dream 10 ? Of course.
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