On what are their research findings based？
A survey of farmers in northern Japan.
B. Tests preformed on a thousand old people.
C. The study of brain volumes of different people.
D. The latest development of computer technology.
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What Dr. Reinhorn said in the last paragraph may imply all the following EXCEPT that_____.
A. blast engineers should develop new solutions for terrorist-resistant design.
B. blast engineering can borrow technologies developed for terrorist-resistant design.
C. solutions developed for earthquake-resistant design may apply to terrorist-resistant design.
D. blast engineering emerges as new branch of science.
What did Ron's father think about his leaving school？
A. He thought his son was doing the right thing.
B. He advised him to stay at school to complete his education.
C. He did not like the idea, but he helped Ron to find work.
D. He knew there was a job for every boy who wanted one.
Without signals from navigation satellites, the in-car computer_____.
A. would still be able to locate the car's position at all times
B. would fail to locate the car’s position
C. could still work out the best route to follow
D. would seek hetp from the radio receiver linked to it
The use of new building materials and the introduction of such new technologies as the elevator and the air-conditioner have played an important role_____
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