正确答案: C
NH3
题目:生物固氮的过程是将大气中的N2转化为( )
解析:C
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举一反三的答案和解析:
[单选题]
heard
解析:他用我从来没有听到过的如此大声的耳语跟我说。
[单选题]甲、乙外出游玩,向丙借相机一部,用毕甲将相机带回家。丁到甲家见此相机,执意要以3000元买下,甲见此价高于市价,便隐瞒实情表示同意并将相机交付与丁。不久,丁因手头拮据又向乙以2000元兜售该相机。乙见此相机眼熟,便向丁询问,丁如实相告,乙遂将之买下。此时,谁拥有该相机的所有权( )
乙
解析:《物权法》第106条规定,无处分权人将不动产或者动产转让给受让人的,所有权人有权追回;除法律另有规定外,符合下列情形的,受让人取得该不动产或者动产的所有权:(一)受让人受让该不动产或者动产时是善意的;(二)以合理的价格转让;(三)转让的不动产或者动产依照法律规定应当登记的已经登记,不需要登记的已经交付给受让人。本题中,甲将不属于自己所有的相机卖给善意第三人丁且已经交付,虽然甲是无权处分行为,但丁对该相机的取得符合善意取得的构成要件,因此该相机的所有权人就是丁。丁再将相机卖给乙的行为,是对相机的有权处分,乙虽然询问并得知了实际情况,但并不妨碍丁与乙买卖合同的有效成
[单选题]Passage TwoAmerica put more people in prison in the 1990s than in any decade in its history. That started a debate over the wisdom of spending billions of dollars to keep nearly 2 million people locked up. According to statistics, the United States ends 1999 with 1983084 men and women in prisons. That shows an increase of nearly 840,000 prisoners during the 1990s and makes the United States the country with the highest prisoner population in the world. With the cost of housing a prisoner at about $20,000 a year the cost in 1999 for keeping all these prisoners behind bars is about $39 billion.
billions of dollars has been spent on prisoners
解析:36.答案为C。此处为因果关系,根据第一段第一句,America put more people in prison in the l990s than in any decade in its history作出该项选择。
[单选题]马克思主义哲学的创立意味着( )
为人类认识和发展真理开辟了道路
解析:D【解析】马克思主义哲学的创立为人类认识和发展真理开辟了道路,而不是绝对真理体系的建立,也不是科学哲学体系的最终完成,更不是人类哲学思想的顶峰,故“D”正确;“A”、“B”、“C”说法过于绝对,不正确。
[单选题]Why did the professor study the Brazilian students' behavior?
He felt puzzled at the students' being late.
解析:52.答案为A 从第一段美国教授在巴西的经历可看出,他对巴西学生的表现很困惑,因此A为最佳选项。
[单选题]According to the passage, parents can help their children communicate by____.
encouraging their interest in other children
[单选题]标志中国革命由国民革命失败到土地革命战争兴起的历史性转变的会议是( )
八七会议
解析:A【解析】历史知识,要记住。