【正文】 C. because D. still( )9. A. happy B. excited C. afraid D. sorry( )10. A. with B. except C.. of D. about2. Man has a big brain. He can think, learn and speak. Scientists always say that men are different from animals they can think and learn. They know now that animals can also learn. So scientists are beginning to understand that men are different from animals because they can speak. Animals can not speak. They make noises when they are afraid or unhappy. Apes (無尾猿) can understand some things quickly than men, and one or two have learned words. But they are still different from us. They can not join words and make sentences. They can not think us because they have language. They can never think about the past or the future. Language is a wonderful thing. Man has build a modern world because he has language. can speak his own language very well when he was four or five. animals learn to speak. do children learn? Scientists do not know. inside our body when we speak? They only know that man can speak because he has a brain.( )1. A. after B. if C. before D. because( )2. A little B. much C. more ( )3. A. few B. a few C. little D. a little ( )4. A. as B. about C. like D. over( )5. A. not B. a C. no D. some( )6. A. to able to B. be able to C. able to D. been able to( )7. A. Each B. Every C. One D. All( )8. A. or B. so C. and D. but( )9. A. How B. What C. Why D. Which( )10. A. Where B. When C. What D. How3.Mr. Lee had never been up in an airplane before and he had read a lot about accidents. SO one day when a friend came to his house and 1. ____ to take him for a ride in his own small plane , Mr. Lee was very thought to himself , If I don39。t agree ,my friend may not be if I agree ,I39。m really afraid that there might he some danger. ,however , his friend made him believe that it was very 5. ____,and Mr. Lee got on the plane .His friend the engine and the plane began to move along on the ground of the 7. _____. Mr. Lee was frightened and closed his eyes. After a minute or two he opened them , looked out of the window of the plane and said to his friend. Look 9____those people down over there .They look as 10____as ants, don39。t they?Those are ants ,answered his friend, we are still on the ground.( )1. A. offered B. allowed C. agreed D. afford( )2. A. excited B. grateful C. worried D. glad( )3. A. As B. For C. So D. But( )4. A. Finally B. First C. Last D. But( )5. A. interesting B. safe C. fortable D. enjoyable( )6. A. began B. carried C. moved D. started( )7. A. airport B. town C. station D. yard ( )8. A. again B. once C. quickly D. easily( )9. A. up B. at C. over D. after( )10. A. short B. big C. strange D. small 4. When I had something difficult to do，I used to ask my mother for help. But she always said, Do it yourself，dear. I was not at all. I thought she was the mother in the world! For example， one day，I decided to some friends to my home. My bedroom was not in order. Books were everywhere. And I didn39。t make the bed. I asked my to help me clean it， she still said，Do it yourself，girl.　 Because of my lazy mother， I have to my clothes and clean my room. I have to help my parents I even have to go to the dentist by myself. It is really hard for me to do everything well，but I have learned .　 As time goes by， I understand my mother. She makes me clever and diligent (勤奮的) a great mother! A mother is worth（等值于）one hundred teachers! Don39。t you think so?1. A. old B. glad C. thin2. A. tallest B. most foolish C. laziest 3. A. leave B. invite C. visit4. A. mother B. father C. brother5. A. or B. when C. but6. A. wash B. lead C. knock7. A. do housework B. go swimming C. go camping 8. A. on show B. by mistake C. a lot9. A. Which B. What C. Who10. A. young B. good C. happy