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【单选题】
关于涡轮增压部件说法正确的是:()
A.
增压空气再循环阀N249的作用是调节增压压力
B.
增压压力调节阀N75的作用和增压空气再循环阀的作用相似
C.
奥迪柴油发动机的增压器采用可调叶片式涡轮增压
D.
奥迪增压空气再循环阀采用机电控制
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【单选题】We would like to take this_______ to establish business with you.
A.
opening
B.
opportunity
C.
step
D.
advantage
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A.
scope
B.
relations
C.
card
D.
school
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A.
For many years, all books were written by hand.
B.
Because it took so long to write one book, there were only a few of them.
C.
Most people could never own a book.
D.
Then sometime between 1450 and 1460, Johannes Gutenberg got the idea of carving separate letters and moving them to make new words.
E.
Gutenberg died at the age of 68.
F.
This was the invention of moveable type.
G.
From then on, the numbers of books printed grew quickly.
【判断题】B. Read the sentences below and decide if they are true or false according to the text. Write T for true or F for false. Walking is the most natural exercise in the world.
A.
正确
B.
错误
【简答题】Sentences arrangement. 1. We look forward to receiving your response at an early date. 2. We would be grateful if you would expedite the establishment of the L/C so that we can ship the order on time....
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