首页
登录
职称英语
Driverless trains are a type of train first developed in the 1960s. As the name
Driverless trains are a type of train first developed in the 1960s. As the name
游客
2023-10-17
28
管理
问题
Driverless trains are a type of train first developed in the 1960s. As
the name shows, these trains operate automatically, without a driver.
It is believed that any of the earliest driverless trains were first 【M1】______
used to transport passengers on the London Underground system 【M2】______
from 1967. However, these early trains weren’t true ’driverless’ 【M3】______
because they had no operators to open and close the doors. 【M4】______
Modern driverless train systems such as the Dubai Metro have
no operators on board. Instead, the system is run through large control 【M5】______
centre. This has hundreds of CCTV camera so that the trains can be 【M6】______
monitored at all times.
Using driverless trains can save a lot of money because large
numbers of train drivers are no longer need. As well as being cheaper to 【M7】______
run, these train systems are often much less punctual and efficient. 【M8】______
This encourages more commuters to stop use cars in order to get to 【M9】_____
work every morning.
If more cities had efficient driverless trains for transporting commuters,
there would be less traffic congestion and pollutions in the world. 【M10】______ [br] 【M6】
选项
答案
camera一cameras
解析
(camera是可数名词,前面提到有成百上千个CCTV监视器,所以应当改为复数。)
转载请注明原文地址:https://tihaiku.com/zcyy/3105236.html
相关试题推荐
Despitethewonderfulactingandwell-developedplot,the______moviecouldnoth
Femi,MartinandJamescatchtrainstogotothesamedestination.Femicatches
Inthe1970s,manypeoplebecameconcernedaboutenergy.Peopleindeveloped
Femi,MartinandJamescatchtrainstogotothesamedestination.Femicatches
Femi,MartinandJamescatchtrainstogotothesamedestination.Femicatches
Ineverycountryinthedevelopedworld,waistlinesareexpandingasprosper
Ineverycountryinthedevelopedworld,waistlinesareexpandingasprosper
Ineverycountryinthedevelopedworld,waistlinesareexpandingasprosper
Scientistshavedevelopedapioneeringtechnologythatallowschildrenwith
Scientistshavedevelopedapioneeringtechnologythatallowschildrenwith
随机试题
[originaltext]M:IfIeverseethatguyagain,I’mdefinitelygoingtotellhim
对于逻辑表达式(a&&(b|c)),需要()个测试用例才能完成条件组合覆盖。A
由于员工对一些新技术的使用缺乏经验,而导致项目偏离轨迹,那么项目发起人可以通过(
桑菊饮证的主要临床表现是A、咳嗽咽痒,微有恶寒发热,苔薄白,脉浮缓 B、头痛,
某生产性建设项目,折算到第1年年末的投资额为4800万元,第2年年末的净现金流量
下列要素对象中,属于二维对象的是( )。A.点 B.线 C.面 D.体
A.输血前肌内注射异丙嗪25mg B.输血前输入少量等渗盐水 C.输血100
下列各项不属于基金收入来源中其他收入的是()。A:ETF替代损益B:手续费返还
()阶段是青少年儿童开始发展自我同一性的时期。 A.小学 B.初中和高中
下列项目中,产生可抵扣暂时性差异的有()。A.期末投资性房地产公允价值上升 B
最新回复
(
0
)