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【简答题】
Transport Statistics 6 is the number of hours it takes to travel from London to New York by plane. 44 is the number of platforms at NewYork’s Grand Central Terminal Station. Half a million people use the station every day. 209 kilometers an hour is the speed of the Spanish AVE train, which goes from the capital city Madrid to Seville, in the south of Spain, a distance of 470 kilometers. The journey takes about two and a half hours. 567 is the number of passengers who can travel in a Boeing 747-400 aeroplane. It can fly more than 12000 kilometers without stopping. That’s from London to Tokyo and back again. 9 , 297 kilometers is the distance of the Trans-Siberian railway, which goes from Moscow to the town of Vladivostok in eastern Russia. The journey takes seven days. 60,000 is the number of taxis in Mexico City. 6,000,000 is the total kilometers of roads in the United States. 43,000,000 is the number of people who travel through Heathrow Airport, near London, every year.
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举一反三
【判断题】质量控制包括对物料产品的抽样检验和对产品设计过程、生产过程的控制。
A.
正确
B.
错误
【简答题】计算: (1)-(2 3 ); (2)4×(-2) 2 (3)-2 3 +(-3) 2 .
【判断题】我头晕恶心属于主观材料
A.
正确
B.
错误
【单选题】(- 2 3 ) 2 表示(  )
A.
- 2 3 ×3
B.
- 2×3 3
C.
- 2 3×3
D.
(- 2 3 )×(- 2 3 )
【单选题】Nothing ______ stop us from ______ this plan.
A.
will; carrying along
B.
is to; carrying away
C.
is going to; carrying up
D.
shall; carrying out
【单选题】对NPN型三极管组成的共射极放大电路来说,当I C 增大时,晶体三极管________。( )
A.
电压U CE 上升
B.
电压U CE 下降
C.
基极电流不变
D.
基极电流减小
【多选题】《尚书》有两卷内容,分别是()。
A.
《古文尚书》
B.
《今文尚书》
C.
《古代尚书》
D.
《现代尚书》
【单选题】( )是一种登录系统的方法,它不仅绕过系统已有的安全设置,而且还能挫败系统上的各种增强的安全设置。
A.
漏洞
B.
端口
C.
后门
D.
服务
【判断题】无输出电容的功率放大电路简称OTL
A.
正确
B.
错误
【判断题】无输出电容的功率放大电路,简称OTL电路。
A.
正确
B.
错误
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