课后练习：

1．Do you see the glass as half-full ____ half-empty?

A. rather than B. other than C. as D. instead

2. Pessimism leads, ____, to hopelessness, sickness and failure

A. by contact B. by contrast C. by contrary D. by compare

3. "If we could teach people to think more positively," says psychologist Craig A. Anderson of Rice University in Houston, "it would be like ____ them against these mental ills."

A. including B. calculating C. inoculating D. circulating

4. In part, that's because optimists and pessimists ____ the same challenges and disappointments in very different ways.

A. deal with B. handle with C. dealing D. coping with

5. Of newly ____ representatives, optimist sold 20 percent more.

A. hire B. hiring C. hired D. to hire

6.____, the company hired 100 people who had failed the standard industry test but had scored high on optimism.

A. Impression B. Impressing C. Impressed D. Having impressed

7. These people, ____, sold 10 percent more insurance than did the average representative.

A. who never have been hired B. who might have been hired

C. who have never been hiredD. who might never have been hired

8. Craig Anderson had a group of students ____strangers and ask them to donate blood to the Red Cross.

A. to phone B. phone C. phoning D. phoned

9. Many studies suggest that the pessimist's feeling of helplessness ____ the body's natural defenses, the immune system.

A. understands B. mines C. undertakes D. undermines

10. Too many "don'ts" and warnings of danger can make a child feel incompetent, fearful-and____.

A. optimistic B. positive C. pessimistic D. pessimism

答案: 1A 2B 3C 4A 5C 6C 7D 8B 9D 10C

补充练习：

1. Most people are a mix of optimism and pessimism, but are ____ in one direction or the other.

A increasedB declinedC inclinedD induced