题目

下列关于物体运动的说法，正确的是（                    ）                                                    A．  物体速度不为零，其加速度也一定不为零    B．  物体具有加速度时，它的速度可能不会改变    C．  物体的加速度变大时，速度也一定随之变大    D．  物体加速度方向改变时，速度方向可以保持不变                                                              �完形填空。（共10小题，每小题2分，共20分）There was once a young mouse that lived in a hole. One day, the young mouse looked out of the hole, a nice smell came to his 1 . ＂Cheese!＂ the mouse said happily to 2 . ＂I’ll have it for breakfast.＂ But he remember his 3 words, ＂Always wait before you go for a piece of cheese.＂ So the young mouse waited 4 . Then he heard a quiet ＂meow＂ and he knew the cat was there. ＂I’m glad that I listen to my parents and learned to 5 . ＂ he said.The next morning, the nice smell came to his nose again. This time he did not hear any cat’s noises, 6 very quiet ＂woof, woof＂. ＂It’s a dog!＂ he thought. ＂If the dog is there, the cat won’t be there. So I’m 7 .＂ Then the mouse ran out of the hole and started 8 the cheese. He didn’t see the cat 9 the cat caught him. When the cat finished her 10 , he said to himself, ＂I’m glad that I listened to my parents and learned a second language.＂【1】A. eyes B. hands C. mouth D. nose【2】A. him B. her C. himself D. herself【3】A. parents’ B. mother’s C. father’s D. brother’s【4】A. quickly B. quietly C. amazingly D. lively【5】A. wait B. say C. hear D. smell【6】A. and B. so C. instead D. or【7】A. special B. active C. safe D. blind【8】A. making B. eating C. heating D. frying【9】A. when B. after. C. unless D. until【10】A. work. B. meal. C. cheese. D. class