[单项选择]The driver began to speed up to（）for the hour had lost in the traffic jam.
A. keep up
B. take up
C. catch up
D. make up

[单项选择]The driver began to speed up to for the hour had lost in the traffic jam.（　）
A. keep up
B. take up
C. catch up
D. make up

[单项选择]（　）, they had to speed up.
A. Time is limited
B. Time was limited
C. Time being limited
D. Time has been limited

[简答题]Polar Bear swimming speed 10 miles per hour

[单项选择]We are restricted to a speed of 30 miles an hour in built-up areas.（　）
A. deprived
B. forbidden
C. required
D. limited

[单项选择]To flame up his boss, Dick had to make up evidence（　）.
A. collect
B. disclose
C. invent
D. generate

[单项选择] The Victorians had become addicted to speed and they wanted to go ever faster. Time was money and efficiency became (31)____ important. Although divisions of labour had been (32)____ by Adam Smith and illustrated by a pin factory in The Wealth of Nations in 1776, (33)____ could now become fully realised. This specialization of labour was in (34)____ contrast to the rural means of production, in (35)____ the family was the means of production, consumption and socialization. (36)____ greater speed came a greater need for industries and businesses to make more and make it quicker. Steam made this (37)____ and changed working life forever (38)____ were the days when work was (39)____ by natural forces: steam engines were servant (40)____ neither season nor sunshine. Factories had foremen and life became correspondingly more (41)____. The clocking-on machine was (42)____ in 1885 and time and motion studies to increase efficiency would be intr
A. possible
B. practical
C. worthwhile
D. useful