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【单选题】
判断简单控制系统故障步骤的方法说法有误的一项是（）。A.
检查DCS系统硬件输入、输出是否工作正常
B.
检查输入、输出安全栅是否工作正常，在系统中安全栅起到了延长信号传输距离以及信号物理隔离作用
C.
检查调节阀是否出现振荡现象，调整阀门定位器
D.
控制回路由自动切换到手动，观察DCS系统趋势记录，重新整定PID参数
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【简答题】vt. attract sb. and make them like you, sometimes in order to make them do sth. for you 迷住;吸引n. [C, U] a special quality sb. or sth. has that makes people like them, feel attracted to them, or be easi...
【单选题】You are going to read a newspaper article about a man who is running round the world. Eight paragraphs have been removed from the article. Choose from the paragraphs A-I the one which fits each gap (1...
A.
I did it for him. Even though he akeady holds the world long-distance running record, he still needs to continue proving he is keeping up a reasonable running speed.
B.
He has not yet sorted out a route and appears surprised when I tell him that there are no proper roads across it, as local people prefer to use the rivers instead.
C.
He's done this by selling his story to journalists. He is very aware that he is a marketable product.
D.
He has learned that you must take only what you will use. He has no medical supplies and no proper waterproofs.
E.
Apart from the day in south Australia where it was 45℃ in the shade and he collapsed, Australia is, he says, perfect running country. This compares to his experiences in temperatures of—30℃ in parts of Asia.
F.
Next week he heads off north, towards the Amazon, hoping to run to New York. After that, he just has to take care of Africa and Antarctica.
G.
So he is a touchingly solitary figure. He is too mobile to be able to make many friends, although he did meet someone in Australia who cycled next to him for 600 kilometres.
H.
Fortunately, the cold and the rain don't seem to bother him. It is partly his strength of character that made him refuse to take health insurance.
I.
The Runningman recently arrived in Rio de Janeiro in Brazil via a roundabout route: he left London four years ago and ran through Europe to China. 【B1】______
【单选题】Dolly wants to cycle round the world and she is really keen the idea．
A.
on
B.
for
C.
at
D.
with
【单选题】—It’s amazing that an Australian girl sailed round the world alone in about 200 days. —That’s an inspiring story. Her courage is really _______.
A.
unbearable
B.
independent
C.
admirable
D.
enthusiastic
【单选题】B News 1 Have you ever thought of being able to fly round the world in a few hours though it is about 40，000 kilometres? One day， maybe you can． Last Saturday， the American X-43A airplane made its fir...
A.
people can't go round the earth in a few hours
B.
the American X-43A airplane traveled round the earth in a few hours
C.
the American X-43A airplane is the fastest one in the world
D.
only Americans can make such a fast plane
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