[单项选择]Robots are used ______ a lot of work in place of man.
A. to do
B. to doing
C. doing
D. to be done

[单项选择]Robots are used （） a lot of work in place of man.
A. to do
B. to doing
C. doing
D. to be done

[单项选择]A lot of work used to ______ human physical energy , now becomes a kind of enjoyment.
A. injure
B. exhaust
C. desert
D. abandon

[单项选择]He used a lot of examples to make himself ______.
A. understood
B. understand
C. understanding
D. was understand

[单项选择]A house furnished with quality used furniture is more tastefully decorated ______ twice the money is spent on new furniture.
A. as when
B. than what
C. than which
D. than when

[单项选择]Today the electronic computer is used in solving mathematical problems having to do with weather forecasting and putting satellite into orbit(轨道)．
A. 今天电子计算机应用于解决一些数学问题，这些问题不得不处理天气预报和把卫星送入轨道。
B. 今天电子计算机被用于解决数学问题，这些问题与天气预报和把卫星送入轨道有关。
C. 今天电子计算机不得不被用于解决天气预报和把卫星送人轨道一类的数学问题
D. 今天电子计算机利用解决数学问题的方法处理天气预报和把卫星送人轨道等问题。

[单项选择]He used to work in a chemical plant, but now he worked in a bank.
A. factory
B. forest
C. branch
D. company

[单项选择]Which of the following measures is NOT used as a market environment technical trading signal（）
A. PEG ratio (P/E ratio divided by expected growth rate).
B. Market breadth (advance/decline ratio).
C. Short interest ratio.

[单项选择]Mr. Smith used to work the night ______ in a power plant.
A. stretch
B. shift
C. time
D. turn

[单项选择]A lot of experiment work is being done to increase own knowledge about insomnia and other sheep - related problems in order to help people who are ______ of sheep.
A. dominated
B. derived
C. distressed
D. bereaved

[单项选择]A lot of experimental work is being done to increase our knowledge about insomnia and other sleep-related problems in order to help people who are ______ of sleep.
A. dominated
B. deprived
C. distressed
D. deviated

[单项选择]

Nowadays, people work longer hours than they used to, but are they really working harder than ever before Apparently, many people believe that the more time a person spends on work, (21) she or he accomplishes. However, the connection between time and (22) is not always (23) . In fact, many studies indicate that after a certain point, anyone’s productivity and creativity begin to (24) . Furthermore, it is not always easy for individuals to (25) that their performance is falling off.
Part of the problem is understandable. When (26) evaluate employees, they often consider the amount of time spent on the job (27) performance. Employees know this. Consequently, they work longer hours and (28) less vacation time than they did several years ago. Although many working people can do their job effectively during a (29) 40-hour-work week, they feel they have to spend more time on the job after normal working hours
A. positive
B. position
C. negative
D. possible