汽轮机改变工况时,流量增加,末级焓降增加()。
A.容易出现过负荷
B.容易出现降负荷
C.对负荷无影响
D.无法判断
参考答案:A
用指示代词this.that,these.those填空。
1、Is car yours?
2、Are shoes here hers?
3、The weather of Sichuan in summer is as hot as of Nanjing.
4、 is my hometown and building over there is my school.
5、The weather isn't very warm summer.
6、 is my pen, is yours.
7、What I want is , thank you very much.
8、I missed the bus. is why I am late.
9、What are over there?
10、 I like one, but Tom likes one.
深感觉