燃气轮机燃烧器对入口温度有一定要求，一般为（）。_爱下问搜题

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问题填空题

燃气轮机燃烧器对入口温度有一定要求，一般为（）。

答案

参考答案：露点温度加28-30℃左右

单项选择题

在非确定决策中，首先从每一个方案中选择一个在不同自然状态下的最小收益值(或最大损失值)，作为评价方案的基础。然后，再从这些最小收益值(或最大损失值)的方案中选择一个收益最大(或损失最小)的方案。这是按()来决策的。

A.悲观准则

B.乐观准则

C.折中准则

D.后悔值准则

完形填空

My daughter Julie and I went shopping this morning. A little part of me thought about going to another checkout line. This one had the shortest queue, there was only one guy in it, but he was in a ______ and there seemed to be some complications going on.
Well, I stamped on that little part, and we stepped in _______him. At first, he seemed to be having _____ getting his groceries onto the conveyor belt(输送带). But after a while, I _____ that what he was actually doing was dividing them into two lots.
Still, getting the stuff up there was no_______ task in itself. I ____to help, but he and the checkout lady had it under_____. He asked Julie if she would ______ putting his empty basket away. Then he ______for his wallet which was in a pouch(小袋子)on one side of his chair. The way he was positioned and the fact he only had one usable______ made this quite a stretch for him, so I helped there.
What must it be like, I ________, to be so dependent on other people like that?
The checkout operator came around and gave him his _______ and the items he needed to have to hand. I offered to get ________bigger bag and he said, “ No. but you could do me a favor. Take that lot along to the entrance and give it to Angela.”
I _____did that, leaving Julie with our shopping. Angela, it turned out, was collecting food for people who might otherwise go ___! I hadn’t even noticed her before.
This guy, despite the limitation that his ________condition imposed(强加于) on him, had bought more than twice as much shopping as he needed. He may have been _________ physically, but his heart was more than capable of ________ all that. And it changed my idea of _______ when I realized that the help he had given was ________ the help he had received.

B．consideration

A．desperately

D．rather than