更多"How has the use of helicopters deve"的相关试题:
[单项选择]How has the use of helicopters developed
A. They are taking the place of high-flying jets.
B. They are used for rescue work only.
C. They have been widely used for various purposes.
D. They are now used for commercial purposes.
[单项选择]How has Christine spent her summer
A. She has been studying a lot.
B. She has been working as a waitress.
C. She has been staying at home.
D. She has been doing the kitchen work in a hotel.
[单项选择]Learning how to use the Internet effectively as a marketing tool means that you need to learn two different but related bodies of knowledge（）
A. 要学习将因特网这一销售工具作为手段，你需要学会两种彼此之间不相关联的知识。
B. 学习有效使用因特网和营销工具，您得学习互相关联但却各不相同的两大块知识。
C. 如果你学会了这两大块不相关的知识，就等于学会了有效地在因特网上搞推销的工具。
D. 学习有效地利用因特网作为营销工具，就意味着要学习两类互不相同却又互相关联的知识。
[单项选择]How has the business attitudes changed in Britain
[单项选择]How has science done a disservice to mankind
A. Because of science, most of the foods we eat today are contaminated.
B. It has caused a lack of information concerning the value of food.
C. As a result of scientific intervention, some potentially harmful substances have been added to our food.
D. The scientists have preserved the color of meats, but not of vegetables.
[单项选择]How has the job of the store manager changed
[单项选择]The nurse is teaching the client how to use a cane. Which of the following statements is most inaccurate
A. The client should hold the cane on the involved side.
B. The client should hold the cane close to his body.
C. The stride length and the timing of each step should be equal.
D. The nurse should stand behind the client to prevent falls.
[单项选择]（ ） many times, he still doesn't know how to use the computer.
A. He has been told
B. We have told him
C. Having been told
D. Having told him
[单项选择]If you don't know how to use a computer, you can just apply the position as______.
A. a secretary
B. a waiter or waitress
C. an accountant
[单项选择]If you don’t know how to use a computer, you had better ask for the position of______.
A. a secretary in NESTLE
B. a production worker in THYSSEN
C. a production trainee in THYSSEN
D. a cost accountant in THYSSEN
[单项选择]Could you ______ me how to use this new machine.
[单项选择]During the Ice Ages, man developed the use of tools, and this is a way of protecting himself against______.
A. shortcomings
B. hazards
C. faults
D. conflicts
[单项选择]______many times, he still doesn't know how to use the computer.
A. He has been told
B. We have told him
C. Having been told
D. Having told him
