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【简答题】
一个字符串s 通过调用方法( )得到一个去掉前后空格后的字符串。
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反馈参考答案：
举一反三
【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.
【简答题】简要分析下面两个语句的语言特色及其作用。 (1) 是自然界这个魔术大师,以天空为舞台上演的一出光的话剧。 (2) 好家伙,一下子变成了万花筒啦。
【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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