问题 填空题
阅读短文,用方框内所给单词的适当形式填空。
  
succeed,  they,  work,  careful,  make,  so,  happy,  close,  one,  few,  either,  but
   Do you use your right hands more or left hands more? Very 1______ of us use both of our hands well.
Most people use right hands. Only about five people of a hundred use left hands. New-born babies can take
things with 2______ of their hands, 3______  in about two years, they like to use 4______  right hands.
     Scientists don't know why this happens. They've studied it. They think our animal ancestors used their
right hands, this may not be true. Monkeys are our 5______  relatives in the animal world. Scientists have
found that monkeys like to use one of their hands more than the other----but it can be either hand. There are
as many right-handed monkeys as the left -handed 6______. Next time you visit the zoo and do watch the
monkeys 7______. You'll see that some of them will use their right hands and others will use their left hands.
But men use their right hands better and this 8______  life difficult for the left-handed ones. We live in a
right-handed world. Some scientists have found out that more of 9______  people are left-handed, but they
don't know why. But they are 10______ hard to discover the secret.
答案

1. few  2. either   3. but   4. their   5. closest

6. ones   7. carefully   8. makes   9. successful   10. working     

单项选择题
单项选择题