题目

燃烧是生活中的一种现象，下列有关燃烧现象的说法错误的是（ ）A.硫在氧气和在空气中燃烧现象不一样，是因为氧气的含量不同B.烧木柴时将木柴架空，则燃烧会更旺，这是因为增大了与氧气的接触面积C.蜡烛火焰一吹就灭，是因为空气的流动而带走了热量，使温度降低至蜡烛的着火点以下D.划火柴时火柴梗向上，则火焰会熄灭，这是因为他接触不到氧气完形填空阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项。In 1882 a baby girl caught a fever that was so fierce that she nearly died. She________ but the fever left its mark一she could no longer see and ________. Because she could not hear，she also found it very ________ to speak.So how did this child，blinded and deafened at 19 months old，grow up to ________a world-famous author and public speaker?The fever cut her ________ from the outside world， depriving (剥夺）her of sight and sound. It was ________ she had been thrown into a dark prison room from which there could be no ________ .Luckily Helen was not someone who ________ easily. Soon she began to explore the world by using her other ________. She followed her mother wherever she went， ________onto her skirts. She touched and smelled everything she came across. She 51 their actions and was soon able to do certain jobs herself，like milking the________or kneading dough (揉面）.She even learnt to ________people by feeling their faces or their clothes. She could also ________ where she was in the garden by the smell of the different plants and the ________ of the ground under her feet.By the age of 7 she had invented over 60 different ________ by which she could talk to her family. If she wanted bread for example，she would pretend to ________ a loaf and butter into slices (片）.If she wanted ice cream， she ________herself with her arms and pretended to shake.Helen was unusual in that she was extremely ________ and also very sensitive. By her own ________ she had managed to make some sense of an alien and confusing world. But even so she had limitations.1.A. escaped B. succeeded C. finished D. survived2.A. cry B. sleep C. hear D. read3.A. difficult B. impossible C. able D.usual4.A. explain B. become C. manage D. choose5.A. down B. off C. in D. up6.A. even if B. not only C. so that D. as if7.A. increase B. release C. punishment D. praise8.A. gave out B. picked up C. gave up D. turned up9.A. senses B. plans C. projects D. dreams10.A. falling B. hanging C. stepping D. rushing11.A. copied B. stole C. expressed D. figured12.A. chickens B. children C. cows D. birds13.A. ask B. find C. lead D. recognize14.A. remember B. tell C. forget D. improve15.A. feel B. knowledge C. opinion D. sight16.A. directions B. signs C. notes D. topics17.A. order B. cook C. cut D. throw18.A. reached B. held C. dropped D. opened19.A. generous B. kind C. intelligent D. honest20.A. lives B. relationships C. effects D. efforts