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【判断题】
美国的 Verisign公司是一家权威的认证中心。A.
正确
B.
错误
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【单选题】Questions 16-21 Do the following statements agree with the views of the writer in Reading Passage 2? In boxes 16-21 on your answer sheet write YES——if the statement agrees with the views of the writer...
A.
YES
B.
NO
C.
NOT GIVEN
【简答题】埋弧焊按照焊丝的数目或形状可以分为单丝埋弧焊,_____埋弧焊,多丝埋弧焊和_____埋弧焊。
【单选题】Choose the best description of the writer of the passage.
A.
This is the story of a man who discovers the value of sport only in adult life, and finds that running regularly can help him to feel fit both physically and mentally. He is also determined, since a bad accident does not make him give up sport.
B.
The writer is a man who has always hated sports. This negative attitude goes back to his childhood. However, he is able to overcome this problem by forcing himself to go running regularly – even though he doesn’t enjoy it very much.
C.
This is the personal story of a man who wants to be a winner in life. Competition excites him, and as he gets fitter and better he sets himself targets. But he doesn’t achieve his ambition of winning the London Marathon.
【单选题】Questions 18-23 Do the following statements agree with the views of the writer in Reading Passage 2? In boxes 18-23 on your answer sheet write YES —— if the statement agrees with the writer NO —— if t...
A.
YES
B.
NO
C.
NOT GIVEN
【单选题】关于电子传递链下面那个答案是错误的?
A.
NADPH中的氢也可以进人呼吸链氧化
B.
1分子铁硫中心 (Fe一S) 每次传递2个电子
C.
NADH脱氢酶是一种黄素蛋白
D.
各种细胞色素的吸收光谱均不同
E.
在某些情况下电子传递不一定与磷酸化偶联
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