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　　Which of you two hands do you use most? Very  26  of us can use both of our hands equally（相等的）well.  27  of us are right-handed. Only about five  28  out of a hundred are left-handed. New-born babies can hold things  29  either of their hands, but  30  about two years they usually like to use their right hands. Scientists do not know  31  his happens. They  32  that we inherited（遺傳）this from our animal ancestors（祖先）but this may not be  33 . Monkeys are our closest relatives（親屬） in the animal  34 . Scientists have found that monkeys prefer to use one of their hands more than  35 , but it can be  36  hand. There are as many right-handed monkeys  37  there are left-handed ones.

　　Next time you visit the zoo,  38  the monkeys carefully. You will see that some of the will use their left hands. But most humans（人類）use their right hands  39  and this  40  life difficult for the left-handed people. We live in a right-handed world.

　　26. A. few    B. a few    C. little    D. many

　　27. A. Some   B. Any         C. All                 D. Most

　　28. A. person    B. people     C. man               D. woman

　　29. A. by       B. in       C. with                  D. on

　　30. A. in          B. after      C. before            D. for

　　31. A. when     B. why       C. that                D. what

　　32. A. hoped     B. heard      C. learned            D. thought

　　33. A. real       B. true       C. wrong             D. good

　　34. A. land     B. earth       C. world              D. country

　　35. A. other      B. others       C. another          D. the other

　　36. A. either     B. any         C. every             D. the other

　　37. A. like      B. as          C. and                 D. while

　　38. A. look     B. see         C. watch                D. enjoy

　　39. A. well     B. better        C. best                D. the best

　　40. A. lives    B. brings       C. makes               D. keeps

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