问题
单项选择题
额定工况下，炉水PH正常为（）。
A、7-8；
B、8-9；
C、9-10。
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
额定工况下，炉水PH正常为（）。
A、7-8；
B、8-9；
C、9-10。
参考答案：C
| 完形填空。 | ||||
| Many young people today care about the way they __1__ . They often buy “designer” clothes __2__ they think they look cool. Then the__3__ well-known companies make clothes which look the same. But they don’t sell __4__ well because they don’t have the __5__ . People __6__ think designer clothes are better made. For example, many people think the right running shoes will make you run faster or play better. Of course, this is not always 7 .It’s the 8 – not the trainers – that improves your speed or your score. 9 that’s not the point. People believe that it’s true … and then 10 the shoes. The big companies only want to make a lot of money. | ||||
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