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【单选题】
Passage Two This is News on the Hour, Ed Wilson reporting. The President and First Lady will visit Africa on a goodwill tour in May. They plan to visit eight African countries. Reports from China say the Chinese want closer ties between China and the U.S. and Western Europe. A group of Chinese scientists will start its ten-nation tour next month. Here in Miami, the mayor is still meeting with the leaders of the teachers' union to try to find a way to end the strike. City schools are still closed after two weeks. In news about health, scientists in California report findings of a relationship between the drinking of coffee and the increase of heart disease among women. According to the report in the American Medical Journal ( = magazine) , the five-year study shows this: Women who drink more than two cups of coffee a day have a greater chance of having heart disease than women who do not. In sports the Chargers lost again last night. The BBS beat them 1 to nothing. The Wingers had better results. They beat the Rifles 7 to 3. It was their first win in their last five matches. That's the News on the Hour. And now back to more easy listening with Jan Singer. 36. Who gave the News on the Hour?
A.
The President and First Lady.
B.
Ed Wilson.
C.
Scientists in California.
D.
Jan Singer.
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举一反三
【单选题】实现核算目标要靠先进的修理工艺,备件修复工艺来保证,从修理工艺上讲,要求不断总结经验,以简单,先进的工艺减少修理内容的返工和重复,严格执行修理工艺的精度,避免总装后在工作精度试验时出现精度故障,科学合理的安排( )和工作量,充分利用人力,物力。
A.
检查人员
B.
技术人员
C.
核算人员
D.
修理人员
【判断题】自发突变最主要的原因是碱基互变异构体的存在。
A.
正确
B.
错误
【单选题】基因“自发突变”的主要原因是:()
A.
DNA 复制时的碱基错配
B.
RNA 转录时的错误起始
C.
蛋白翻译时的错误读码
D.
自然环境条件下发生的突变
【单选题】沥青防水卷材的铺贴方向应根据屋面的坡度而定, 当屋面坡度大于( ) 宜 垂直于屋脊铺设。
A.
3%
B.
5%
C.
10%
D.
15%
【单选题】从修理工艺上讲,要求不断总结经验,以( )的工艺减少修理内容的返工和重复。
A.
适当
B.
科学
C.
简单,先进
D.
特殊
【单选题】沥青防水卷材的铺贴方向应根据屋面的坡度而定, 当屋面坡度小于( ) 宜 平行于屋脊铺设。
A.
3%
B.
5%
C.
10%
D.
15%
【单选题】乡村地理学是研究 ( )分布演变和传播及其空间结构的形成过程、特点并预测其发展变化规律的科学。
A.
村落
B.
农村
C.
农民
D.
农业
【单选题】乡村地理学是研究( )分布演变和传播及其空间结构的形成过程、特点并预测其发展变化规律的科学。
A.
村落
B.
乡村
C.
农民
D.
农业
【单选题】沪深300指数最多产生()的预测偏差
A.
4%
B.
8%
C.
10%
D.
12%
【判断题】基因自发突变的主要原因是碱基互变异构体的存在或由于细胞内其他物质与碱基的化学反应导致形成不同的碱基配对。
A.
正确
B.
错误
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