adds safety to car driving
is going to replace seat belts
comes out slowly to function
prevents cars from running too fast
第1题:
According to this passage, if the cylinder non-return valve were not leaky
A.an explosion would not be caused
B.there still would be a danger of explosion
C.oil would not deposit in the air pipe
D.pipe lines would not have to be drained
第2题:
Which of the following statements is TRUE according to the passage?
A. Some companies in the United States moved to Sweden, Germany and Belgium.
B. Fresh air, spacious room and being away from others attract people to move to the suburbs.
C. People wouldn't pay tax when they moved out of cities.
D. The neighborhood should be maintained by old and poor people.
34.答案为B。根据第一段第一句,urban Americans began a mass move to the suburbs in search of fresh air,elbow room and privacy作出该项选择。
第3题:
第4题:
Which of the following is a bus mastering method?()
第5题:
Buy a Volvo with Airbags
Make a Car Safe Inside
Fasten Your Seat Belts
Add Air Bags to Cars
第6题:
two important ways to keep safe in cars
how air bags work to make cars safe
how seat belts work to make cars safe
why we must tie the egg to the skateboard
第7题:
How to fight air pollution in big cities.
How to avoid air pollution in big cities.
How to breathe fresh air in big cities.
How serious air pollution is in big cities.
第8题:
drain water from the air receiver
drain water from the cylinders
delay the compression process until the motor is up to speed
check pump alignment
第9题:
The division of sex-defined roles is completely unacceptable.
Women’s roles in work are too limited at present.
In one society, men might perform what is considered women’s duties by another.
Some of the women’s roles in domestic duties cannot be taken over by men.
第10题:
vary their speed according to temperature and load
start and come up to speed before air compression begins
change speed according to overload demands
reduce compressed air charge density
第11题:
第12题:
is used to time a student’s reading speed
is not used in most speed reading courses
is used as an aid to vocabulary learning
should be used whenever we read alone
第13题:
According to the article, which of the following statements is not true?
A.Tightly sealed house may be harmful in another aspect.
B.The house is unsealed to prevent the air from leaking.
C.The air always leaks from cracks.
D.New house is worse than old one in the aspect of indoor pollution.
第14题:
According to this passage, which of the following statements is true?
A.In boiler and machinery spaces, there is the air conditioning.
B.In the boiler rooms the requirement of air volume should meet 25-50% of combustion requirement.
C.To maintain the comfort zone in the separate control room the air conditioning plant should be fitted.
D.The comfort conditions can be maintained in the engine room all the time.
第15题:
第16题:
you are patient
you obey all the traffic rules
you don’t cut another car off
you wait in line at a red light
第17题:
第18题:
It won’t be dangerous if there are seat belts or air bags in a car.
Now most of new cars still have only one air bag.
When a car hits something, its air bags will come out a few minutes later.
Volvo was the first to use seat belts.
第19题:
People with seat belts tied will always be safe in cars.
Volvo was the first carmaker to use seat belts in cars.
Air bags will come out before the cars hit something.
All cars have air bags in front of the seats.
第20题:
adds safety to car driving
is going to replace seat belts
comes out slowly to function
prevents cars from running too fast
第21题:
A passenger who has traveled several times by plane.
A passenger who wants to travel on any airlines flights.
A passenger who has traveled on Shanghai Airlines flights.
A passenger who has accumulated enough air miles on SAL flights.
第22题:
An air pump
A compressor
A fuel pump
A priming
第23题:
just
nearly
merely
already
第24题:
Achieving velocities near the speed of light
Withstanding the acceleration necessary for traversing interstellar distances
Maintaining clean air and water on a journey that could last centuries
Accommodating the effects of relativistic time dilation
Enabling the humans on board to survive during the journey