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【单选题】
X射线管产生X射线的效率极低，一般不足？A.
1%
B.
10%
C.
25%
D.
37%
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反馈参考答案：
举一反三
【单选题】The main purpose of the second paragragh is to ______.
A.
describe the steps to train a robot
B.
advertise a new type of robot
C.
instruct housewives how to operate a robot
D.
suggest making use of a robot in the house
【判断题】The purpose of education is not only to train youngsters for the employment market.
A.
正确
B.
错误
【单选题】The purpose of the seminar is to train some of the employees to work ________ in the branch offices abroad.
A.
later
B.
late
C.
lately
D.
latest
【单选题】What may be the purpose of writing this text?
A.
To call for the reduction of train fares.
B.
To advertise the rail transport in the UK.
C.
To introduce various rail companies in the UK.
D.
To give advice on one way of transport in the UK.
【单选题】The original purpose of Haile's setting up his club and team is to ______.
A.
train those young runners
B.
select top runners for the national team
C.
make money from running them
D.
do what he could for his country and his fellows
相关题目：
【判断题】The purpose of education is not only to train youngsters for the employment market.
A.
正确
B.
错误
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