【单选题】洋务运动期间,清政府派出120名幼童留美,其中有后来成为杰出铁路工程师的 ( )。
【多选题】社会工作者进入社区后,应对社区的基本情况有一个初步的认识和了解。社区基本情况包括()几个方面。
【单选题】In paragraph 3, how does the author explain the concept of technological transfer?
A.
By recounting how Samuel Slater, an American farmer, established a successful textile mill in Great Britain
B.
By describing how Samuel Slater used workers from Britain to develop the textile industry in the United States
C.
By exposing how Samuel Slater stole ideas and technology from one nation to introduce them in another
D.
By demonstrating how Samuel Slater used the laws to his advantage in order to transfer technology
【简答题】2 天平未调水平,测量结果可能会出现 误差,电桥检流计的零点漂移会引起测量结果的 误差。
【单选题】How does the concept of elasticity allow us to improve upon our understanding of supply and demand?
A.
Elasticity allows us to analyze supply and demand with greater precision than would be the case in the absence of the elasticity concept.
B.
Elasticity provides us with a better rationale for statements such as “an increase in x will lead to a decrease in y ” than we would have in the absence of the elasticity concept.
C.
Without elasticity, we would not be able to address the direction in which price is likely to move in response to a surplus or a shortage.
D.
Without elasticity, it is very difficult to assess the degree of competition within a market.
【多选题】社会工作者进入社区后,应对社区的基本情况有一个初步的认识和了解。社区基本情况包括( )。
【简答题】天平未调水平,测量结果可能会出现 误差,电桥检流计的零点漂移会引起测量结果的 误差。
【单选题】下面代码的执行结果是。()print(pow(3,0.5)*pow(3,0.5)==3)
B.
pow(3,0.5)*pow(3,0.5)==3