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Be polite when you talk to your colleagues.
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单项选择题
在生活事件到应激反应的过程中起重要中介作用的是
未知题型
You are going to read a magazine article about learning to fly a planE.Eight paragraphs have been removed from the articlE.Choose from the paragraphs A-I the one which fits each gap (15-21). There is one extra paragraph which you do not need to usE.There is an example at the beginning (0).
Learning to Fly
I had been testing cars and motorcycles for over twenty years. I couldn't take any morE.It wasn't terribly exciting and, in any case, new cars were beginning to look identical and drive similarly. What I needed was a new challengE.
Unfortunately, I wore glasses. The Royal Air Force wouldn't consider anyone for pilot training unless they had perfect eyesight. Halfway through an aptitude test, they realised that my eyes were far from perfect. I didn't stand a chancE.
【B1】__________
It was an obvious choicE.It's just twenty minutes' drive from my homE.It's very quiet, too, so the t;90 per hour fur the training is spent flying in the air, not waiting on the ground for other planes to take ofF.
【B2】__________
It took me a whole year to get my private pilot's licencE.It started well, with my first solo flight coming after just seven hours. Then came all the studying, the exams, the hard work. I never thought I'd get to the end of it.
【B3】__________ Then came last winter and the end of the course was in sight. For weeks, the weather was so terrible that for most of the time it was impossiblE.to fly. Strong winds, heavy rain and even snow and ice made flying conditions extremely hazardous.
【B4】__________
But finally the first of three practical exams arrived- the navigation test. The exam finer sets you a course that you have to plan according to the weather, and then fly with him sitting beside you.
【B5】__________
I passed this test, but I don't know how. The second test involves flying cross-country to two other ah ports. which you can choose, and landing at both. The important thing is to give the right messages to the air-traffic control people and understand their replies.
【B6】__________
After this alarming episode, the excreiscs in the flight- handling test were simplE.As we completed the sixth exercise, the examiner suddenly turned to me and said, 'Congratulations-you've passed!'
I wasn't sure why, because we usually land as slowly as possiblE.Then I turned round and realised straightaway: we were being followed by a British Airways jumbo jet!
A A week which I had set aside for finishing the course came and went with no possibility of getting in the air at all. And besides the problems with the weather, my second son was born, and that made it even more difficult to find the time for lessons and studying.
B But the real reason I chose this club was that a friend of mine, Andrew Wilkins, is the chief instructor therE.He impressed me by taking me out for a free flight just so that I could see what it was likE.
C Unfortunately, I got myself lost this time and flew too far east. I completely missed the first airport. However, I flew over a car factory I recognised and managed to get back on coursE.
D Along the way, he'll take the controls and fly off course, ,just to get you lost. Then he'll hand back the controls to you and expect you to find your way homE.
E One day I was asked by an air-traffic controller if I could see another aircraft aheaD.I said yes, and immediately it disappeared into a clouD.I just didn't know what to do.
F At the time, taking private lessons to learn how to fly was financially beyond mE.So 1 had to delay my plans to become a pilot for quite a whilE.It was twenty years, in fact, before I finally enrolled at a flying club in HertfordshirE.
G Since getting my pilot's licence, I've
未知题型
【背景资料】
某道路工程项目，施工总承包单位项目经理部根据该工程作业内容、土质条件、运距和气象条件，综合分析相关工程和设备的情况，对本工程的施工机械进行了有选择的协调。具体施工中的部分工程施工机械的配置是：
(1)对于清基和料场准备等路基施工前的准备工作，选择的施工机械与设备主要有铲运机、装载机、自卸汽车和平地机；
(2)对于石方开挖工程，选择的机械与设备主要有推土机、铲运机、挖掘机、凿岩机和自卸汽车；
(3)对于石方填筑工程，选择的机械与设备主要有平地机、推土机、洒水车和挖掘机。
【问题】
1．逐条判断部分工程施工机械的配置是否合理，如不合理，请改正。
2．沥青路面压实机械主要有哪几种?
3．水泥混凝土路面施工主要机械设备有哪些?
4．常用的推土机有哪几种类型?
5．装载机主要是用来进行哪些作业?
6．平地机主要用于进行哪些作业?
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