| 阅读短文，用方框内所给单词的适当形式填空。 | |
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. |
| 根据短文大意选择方框内的单词并用其正确形式填空，使补全后的短文意思通顺，语法正确，结构完整。 | |
wood and other products. Trees provide food not only for man, but also for animals. 2 trees, many animals could not live on the earth. It’s not 3 for man to live on the earth, either. The other important way is that trees give us shade (树荫) .On a hot summer day, people are eager to have a rest under the shade of a tree after 4 along way. You can imagine how important the shade of a tree is to 5 man and animals from being exposured to the sun’s rays. |
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| The Japanese Macaca monkey has been studied in the wild for over 50 years. In 1952 ,on one small Japanese island,scientists dropped some 1 dirt for the monkeys. The monkeys liked their taste,but they found the dirt 2 . One clever 18-month-old monkey 3 the problem by washing the sweet potatoes in a nearby river. She taught this to her mother. Her 4 also learned this new way and they taught their mothers too. All the younger monkeys 5 learned to wash the dirty sweet potatoes to make them 6 to eat. But many found it very hard to learn this and still ate the 7 sweet potatoes. Then something 8 .In the autumn of 1958,scientists found that the monkeys on other nearby 9 began washing their sweet potatoes too. Scientists still don't fully understand how this knowledge was 10 from one island to another. | |||
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( )1.A. sweet potatoes |
B. green plants B. terrible B. reach B. brothers B. easily B. smaller B. large B. took off B. islands B. dropped |
C. hard stones C. difficult C. solve C. sisters C. angrily C. lighter C. new C. took place C. beaches C. passed |
D. fresh nuts |