问题
单项选择题
空预器是利用锅炉尾部烟气量来加热锅炉燃烧所用的（）设备。
A、给水
B、空气
C、燃料
D、燃油
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
空预器是利用锅炉尾部烟气量来加热锅炉燃烧所用的（）设备。
A、给水
B、空气
C、燃料
D、燃油
参考答案：B
| 从方框中选择能填入对话中的正确选项。 | |
| A: Hello, Mrs White ! B: Hello, Mrs Wu! A: Are you going to do some shopping? B: Yes. What about you? A: 1______ It's said that (据说) the things in the new market are cheap and nice. I want to go there. 2______ B: That's good. 3______ A few Chinese ends will come to see me in an hour. I'm d I can't be back by then. A: It doesn't matter. We can go when we are free. B: By the way, 4______ I haven't been there yet. A: It's on the other side of the river. It's a little from here. B: How long does it take me to get there by bike? A: About a quarter. 5______ It'll take you right there. B: Thanks a lot. See you!
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