题目内容

为缓解石油紧缺,我国于5年前开始将玉米转化为燃料乙醇的技术产业化,又称“粮变油”,现在已经成为比较成熟的产业。2004年到2006年我国连续三年粮食丰收,今年国际石油价格又创新高,但国家发展改革委员会却通知停止以粮食生产燃料乙醇的项目。 以下哪项陈述如果为真,能够最好地解释上述看似矛盾的现象()。

A. 5年前“粮变油”项目是一项消化陈化粮的举措。
B. “粮变油”项目会影响我国粮食安全,粮食安全比缓解石油紧缺更重要。
C. 我国已经研究出用秸秆生产燃料乙醇的关键技术。
D. 在我国玉米种植区,近年来新建的乙醇厂开始与饲料生产商争夺原料。

查看答案
更多问题

平均而言,今天受过教育的人的读书时间明显少于50年前受过教育的人的读书时间,但是,现在每年的售书册数却比50年前增加了很多。 以下各项陈述都有助于解释上述现象,除了()。

A. 与现在相比,50年前的人更喜欢通过大量藏书来显示其良好的教育和品味。
B. 今天受过教育的人比50年前受过教育的人的数量大大增加。
C. 与现在相比,50年前的人们更喜欢从图书馆借阅图书。
D. 现在的书往往比50年前的书更薄,也更容易读。

去年全国居民消费物价指数(CPI)仅上涨1.8%,属于温和型上涨。然而,老百姓的切身感受却截然不同,觉得水电煤气、蔬菜粮油、上学看病、坐车买房,样样都在涨价,涨幅一点也不“温和”。 下面哪一个选项无助于解释题干中统计数据与百姓感受之间的差距()。

A. 我国目前的CPI统计范围及标准是二十多年前制定的,难以真实反映当前整个消费物价的走势。
B. 国家统计局公布的CPI是对全国各地、各类商品和服务价格的整体情况的数据描述,无法充分反映个体感受的地区与消费层次的差异。
C. 与百姓生活关联度高的产品,涨价的居多;关联度低的,跌价的居多。
D. 高收入群体对物价的小幅上涨没有什么感觉。

阅读下面短文,从短文后所给各题的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项。 Mrs White gave music lessons at a school. She had a good voice, (36) some of her high notes sounded like a door that (37) oiling. Mrs White knew her (38) well, and took every (39) she could find to practise these high notes. As she (40) a small house, she could not practise (41) disturbing the rest of the family. So she usually went for long walks (42) the country road. But (43) she heard a car or a person (44) along the road, she stopped practising. She did not want to be heard, (45) she was very shy. One afternoon, a fast open car came up behind her so (46) and so fast that she did not hear it (47) it was only a few yards from her. She (48) some of her highest and (49) notes at that time. As the car passed, she saw an anxious (50) come over its driver’s face. He stopped his car suddenly, (51) out and began to examine all the tyres (52) . Mrs White (53) to tell him what the noise he (54) really was. He got back into the car and (55)

A. fled
B. picked
C. rushed
D. jumped

第一节 短文改错 此题要求改正所给短文中的错。对标有号的每一行作出判断;如无错误,在该行右边横线上面一个勾(√);如有错误(每行最多只有一个错误), 则按下列情况改正: 多一词:把多作的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉。 缺一词:在缺词处加一个字符号(∧),在该行右边横线上写出该加的词。 错一词:在错的词下划一横线,在该行右边横线上写出改正后的词。 Early men did not have clocks. They were told time by the 76. ______sun and shadows of trees. At first time, they used 77. ______sticks placing in the ground instead of trees. They made 78. ______marks in the ground, and the shadows from the sticks told 79. ______the time of day. Later, men began to use sundials. Some of 80. ______sundials were boxes with sticks cast a shadow. Men were 81. ______able to take the sundial box with them. The mark for noon 82. ______was very important. The sundials always have to face the same 83. ______way or the time was wrong. Sundials were good only on sunny 84. ______days, not on cloud days. They were the first kind of clock. 85. ______

答案查题题库