The current political _____ of our country is favorable for foreign investments.

　　A. climate    B. weather    C. state    D. occasion

A successful scientist needs _____ if he wants to make hypothesis (假设) of how processes work and how events take place.

　　A. permission     B. penetration   C. imagination    D. convention

John always tries to _____ people who are useful to him professionally.

　　A. develop B. provoke C. correspond  D. cultivate

We had a marvelous holiday: only the last two days were slightly _____ by the weather.

　　A. damaged    B. hurt    C. ruined    D. spoiled

It would be _____ a risk to let the child go to school by himself.

　　A. following  B. passing  C. running    D. carrying

The microphone enabled them to keep in touch, in other words, it made it _____ for them to contact each other.

　　A. likely    B. capable    C. possible    D. probable

No one imagined that the apparently _____ businessman was really a criminal.

　　A. respectful B. respectable C. respective  D. respected

When I worked as the general manager of the firm, I sometimes had _____ to visit London on business.

　　A. opportunity B. possibility  C. occasion D. chance

Evidence obtained from observation and experiment is often used to _____ a scientific theory.

　　A. confirm    B. confine    C. conform    D. conceive

Achieving a high degree of proficiency in English as a foreign language is not a mysterious _____  without scientific basis.

　　A. process    B. practice    C. procedure    D. program