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【单选题】
阅读部分 Part III Reading Comprehension(40 minutes) Directions: This part is to test your reading ability. There are 5 tasks for you to fulfill. You should read the reading materials carefully and do the tasks as you are instructed. Task 1 Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered 36 to 40. For each question or statement there are 4 choices marked A ) , B ) , C ) and D ) . You should make the correct choice and mark the corresponding letter on the Answer Sheet with a single line through the center. Most men and more than half of the women in North America work. In fact, many people who are lazy and don ’ t work for a living are looked down upon, such as people who have got a fortune from their parents, or those who receive money from the government when they are young enough to take a job. Americans usually are expected to work hard at their regular jobs. They have believed that they felt shameful if they did not work as hard and carefully as they could, and God would punish those who were careless or lazy in their work. This is calle d the “ work ethic ” . Its roots are in the Bible ’ s teachings: “ If a man will not work, he shall not eat. ” and “ Do not work to please men, but just please God. ” For 400 years or more, it has been a characteristic of Americans. Historians say that this “ w ork ethic” was perhaps the single most important reason for the rapid economic growth and continuing success of the United States. For the sake of better work, now companies are much more flexible in the number of days and hours their employees work. Many offices now allow their employees to choose the time they begin in the morning, so long as they arrive before 10:00 am and work for 8 hours. In America, there are women who choose to stay home as homemakers rather than to pursue a career. This is possible if the husband ’ s salary is enough to support the family. These women value family over career, and are not considered lazy by any mea ns. 36. In America, “work ethic” refers to_________ .
A.
inheriting fortune from parents
B.
receiving the government ’ s help when one is young
C.
no eating without working
D.
working hard and carefully as he/she could
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举一反三
【单选题】邪气侵犯人体后能否发病关键是:
A.
正气的盛衰
B.
邪气的性质
C.
感邪的轻重
D.
禀赋的强弱
E.
邪正斗争的胜负
【单选题】5-OH 黄酮酸性最弱的原因是( )
A.
与 C 4 = O 形成分子内氢键
B.
-OH 数目少
C.
交叉共轭体系
D.
平面型分子
【判断题】肠道杆菌 O 抗原耐热, H 抗原不耐热。
A.
正确
B.
错误
【简答题】某市因旧城改造,很多道路需要拓宽,园林部门根据规划对树木进行移植.为了提高移栽树木的成活率,你有哪些建议?
【单选题】热电偶是将温度量转换为电势大小的热电式传感器,以下关于热电偶的说法错误的是( )
A.
热电偶的基本原理是热电效应;
B.
热电偶的两个热电极由不同材料构成;
C.
热电偶实现温度测量要求热端和冷端一定要存在温差;
D.
热电偶回路中的热电势主要由接触电势和温差电势构成。
【简答题】某市因旧城改造,很多道路需要拓宽,园林部门根据规划对树木进行移植。为了提高移栽树木的成活率,你有哪些建议?
【单选题】关于热电偶测温,下列说法错误的是( )
A.
在热电偶测温回路任意位置引入第三种导体,都不会改变热电偶回路的热电势
B.
热电偶正极的电子密度要大
C.
热电偶两端温差越大,回路热电势越大
【单选题】关于热电偶说法错误的是()。
A.
铠装热电偶的保护套管可防止热电极被化学腐蚀。
B.
标准化热电偶具有统一的分度表。
C.
在廉金属热电偶中,T型(铜-康铜)热电偶准确度最高。
D.
标准化热电偶中S型(铂铑10-铂)热电偶热电势大,非线性小,故准确度等级最高。
【单选题】5-OH黄酮酸性最弱的原因是
A.
与C4=O形成分子内氢键
B.
-OH数目少
C.
交叉共轭体系
D.
平面型分子
【单选题】下列关于热电偶传感器说法错误的是 ( )
A.
热电势的产生是主要由于温差电势
B.
热电偶的回路中接入第三种导体,只要其两端温度相同则不会影响总热电势
C.
热电偶通常需要在冷端保持温度恒定
D.
热电效应又称为塞贝克效应
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