更多"Bird BrainsCracking Walnuts The "的相关试题:
[单项选择] Bird Brains
Cracking Walnuts
The scene: a traffic light crossing on a university campus in Japan. Carrion crows and humans line up patiently, waiting for the traffic to halt. When the lights change, the birds hop in front of the cars and place walnuts, which they picked from the adjoining trees, on the road. After the lights turn green again, the birds fly away and vehicles drive over the nuts, cracking them open. Finally, when it’s time to cross again, the crows join the pedestrians and pick up their meal.
Biologists already knew the corvine family--it includes crows, ravens, rooks, magpies and jackdaws--to be among the smartest of all birds. But this remarkable piece of behavior would seem to be a particularly acute demonstration of bird intelligence. Researchers believe they probably noticed cars driving over nuts fallen from a walnut tree overhanging a road. The crows already knew about dropping
A. Biologists
B. A new generation of scientists
C. Researchers of the University of Arizona
D. Only Dr Hunt and his colleagues
[简答题]Directions:
Suppose you are a witness of a traffic accident, Li Ming. Please write a report to the principal of the Traffic Accident Investigation Unit of the Police Station according to your information:
时间：2004-2-8；
地点：市中心，第二拐角处；
原因：卡车司机开车前饮酒过量，开车头晕，失控撞翻一辆摩托车；
伤亡情况：摩托车司机当场死亡，卡车司机受重伤；
影响：交通中断2小时；
经济损失：2万元。
You should write about 100 words on ANSWER SHEET 2. Do not sign your own name at the end of the letter. Use "Li Ming" instead. You do not need to write the address.
[填空题]How is the traffic during the rush hour
The traffic moves very ______.
[填空题]If you park your car in the (11) place, a traffic policeman will soon find it. You will be very lucky if he lets you go (12) a ticket. However, this does not always happen. Traffic police are sometimes very polite. During a holiday in Sweden, I found this note on my car: "Sir, we welcome you to our city. This is a ’No (13) ’area. You will enjoy your stay here if you pay (14) to our street signs. This note is only a reminder." If you receive a request like this, you cannot (15) to obey it!
[单项选择]— Where ______
— I got stuck in the heavy traffic. I ______ here earlier.
A. did you go; had arrived
B. have you been; would have been
C. were you; would come
D. are you; was
[填空题]Eating fish and walnuts may help keep our spirits up, because they contains ______.
