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【单选题】
Suppose today’s CPI is 134.85, and suppose one must spend $580 today to purchase the same basket of goods and services that could be bought for $400 in 1989. Then the CPI in 1989 wasA.
24.27.
B.
60.68.
C.
93.00.
D.
195.53.
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【判断题】English as a Lingua Franca (ELF) refers to the use of English as a medium of communication between people of different languages.
A.
正确
B.
错误
【单选题】____refers to a set of words or terms that are shared by those with a common profession or experience.
A.
Dialect
B.
Lingua Franca
C.
Jargon
D.
Pidgin
【简答题】剪力墙由( )等构件组成。A. 剪力墙梁; B. 剪力墙身; C. 剪力墙洞口; D. 剪力墙柱; E. 地下室外墙
【简答题】在霍尔法测磁场实验中,使用的霍尔元件是N型半导体。如果保持工作电流、励磁电流不变,改用几何尺寸和载流子密度均相同的P型半导体,实验过程会有什么变化,试分析。
【简答题】Lingua Franca refers to a specific __________ that is used as an
__________ means of __________. It holds __________ among different
groups of people.
【单选题】refers to the phenomenon that those who do not share a first language communicate with each other in a language that they know.
A.
official language
B.
lingua franca
C.
national language
D.
world language
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