Which of your two hands do you use most? Very few of us can use __1__ of our hands equally well. Most of us are right-handed. Only about five people ___2___ a hundred are left-handed. New-born babies can grasp(抓住)objects with__3____ of their hands, but in about two years they usually prefer to use their ___4___ hands. Scientists don’t know why this __5___.
Monkeys are our ___6___ relatives(亲戚)in the animal world. Scientists have found that monkeys prefer to use one of their hands more than the ___7___ ---but it can be either hand. There are as many right-handed monkeys as left-handed___8___ . Next time you visit the zoo, ___9___ the monkeys carefully. You’ll see that some of most them will prefer to use their right hands when they swing(荡秋千), and others will use their left hands. But most human beings use their right hands better and this makes life ___10___ for those who prefer to use their left hands. In fact we live in a right-handed world.
( )1. A. either B. both C. two D. all
( )2. A. from B. among C. from among D. out of
( )3. A. either B. neither C. two D. all
( )4. A. two B. both C. right D. left
( )5. will happen B. happens C. take place D. will take place
( )6. A. farthest B. furthest C. best D. closest
( )7. A. other B. right C. left D. two
( )8. A. one B. ones C. monkey D. people
( )9. A. look B. see C. watch D. read
( )10.A. interesting B. comfortable C. easy D. difficult
