第二十一章单元测试
- Steam engines refer to machines using to perform mechanical work through the agency of heat.（ ）
- In steam engines began to be used in a large scale industrially（ ）
- Regarding the of traditional fuels, all kinds of new energies are being developed.（ ）
- DingTalk is the software for online learning.（ ）
- Substantial boilers and water tanks were needed early steam cars losing up to a gallon of water every mile.（ ）
- Steam car makers adapted to their marginalisation, their cars as luxury products. （ ）
- By 1910, cars with internal combustion engines were being churned out in huge numbers at that the smaller steam car manufacturers had no chance of matching them. （ ）
- According to the text, at the turn of the 20th century more than half the cars in the USA were powered by steam.（ ）
- Steam cars were considered a rare and antiquated novelty since 1918. （ ）
- There are strong arguments for the huge shakeup that would be required to convert to steam power. （ ）
A:steam engines
B:steam
C:steam power
D:steam cars
答案:steam power
A:1910s
B:1900s
C:1930s
D:1920s
A:fundamental superiority
B:series of advantages
C:inherent drawbacks
D:series of disadvantages
A:all but
B:as yet
C:nothing but
D:of choice
A:because
B:as
C:since
D:with
A:marketed
B:market
C:to market
D:marketing
A:so low prices
B:so prices low
C:prices so low
D:such low prices
A:对 B:错
A:错 B:对
A:对 B:错
温馨提示支付 ￥3.00 元后可查看付费内容,请先翻页预览!
