单选
Passage 1 A concept car developed by Japanese company Nissan has a breathalyzer-
A It has a sensor system that could issue a warning if the driver is drunk. B It has sensors that detect traces of alcohol inside the car. C It has sensors locked up in the ignition system. D It has a breathalyzer-like detection system.
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单选
Passage 1 A concept car developed by Japanese company Nissan has a breathalyzer-
A The same detection system mentioned in the previous paragraph. B A breathalyzer attached to a car's seat belt. C A smart car seat belt. D An intelligent engine.
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单选
Passage 1 A concept car developed by Japanese company Nissan has a breathalyzer-
A It monitors the driver's eyes to see if he needs a rest. B It judges if the driver wants to pull over. C It judges if the driver wants to take a rest. D It issues an alarm when the driver speaks.
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单选
Passage 1 A concept car developed by Japanese company Nissan has a breathalyzer-
A the overall effectiveness of the detection technology has improved B Nissan is making a timetable to market the detection system C it is impossible to improve the'overall effectiveness of the detection system D Nissan aims to improve the detection technology to reduce the fatality rate
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单选
Passage 1 A concept car developed by Japanese company Nissan has a breathalyzer-
A An external camera checks that the car is going properly. B The car will automatically keep to its lane. C The seat belt will tighten when the driver is found drowsy. D The technology of the alcohol odor sensor should be improved.
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单选
Passage 2 If the population of the earth goes on increasing at its present rate,
A food B oil C space D resources
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单选
Passage 2 If the population of the earth goes on increasing at its present rate,
A it might be possible to change its atmosphere B its atmosphere is the same as the earth's C there is a good supply of water on Venus D the days on Venus are long enough
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单选
Passage 2 If the population of the earth goes on increasing at its present rate,
A water B carbon dioxide C carbon monoxide D oxygen
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单选
Passage 2 If the population of the earth goes on increasing at its present rate,
A live in very hot temperatures B live in very cold temperatures C manufacture oxygen D all of the above
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单选
Passage 2 If the population of the earth goes on increasing at its present rate,
A the algae have done their work B the atmosphere becomes cooler C there is oxygen D it rains there
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