题目

正在建设中的北京大兴国际机场规划建设面积约1400000平方米的航站楼，数据1400000用科学记数法应表示为（ ） A．0.14×108        B．1.4×107         C．1.4×106         D．14×105 答案：C【分析】利用科学记数法的表示形式进行解答即可 【解答】解： 科学记数法表示：1400 000＝1.4×106 故选：C． 【点评】本题主要考查科学记数法，科学记数法是指把一个数表示成a×10的n次幂的形式（1≤a＜10，n 为正整数．）I am Steve. I was born and grew up in South Wales. My favorite place to play was out on the hills where my imagination had plenty of space to expand (拓展). My family moved out of Wales when I was thirteen. I went to a new school. One of my subjects was French. Because I had never learned any French, my teacher told me to sit in the corner and write anything I was interested in. That’s the time I started writing, just for myself, and I’ve been writing ever since. I have always loved BIG IDEAS, and so I enjoy writing fantastic stories. And I also write horror (恐怖) I think they are like the old fairytales (童话故事) ，and can teach you important things. I am in my forties on the outside, twelve on the inside. I like rock music, Indian and Chinese food, and I enjoy drinking. I live in a small village with my wife Mary, ducks, cats, goats, hens and lots of rabbits. If you’d like to find out more about me and hope to buy any books, go to 1. When he was 13, the writer ________. A. wrote lots of poems     B. moved out of Wales C. sold many story books   D. became a famous singer 2. He liked playing out on the hills because he could ________. A. expand his imagination    B. learn French C. listen to stories           D. buy some books 3. Maybe the writer is ________ years old now. A. 12    B. 22    C. 32    D. 42 4. According to the passage, the write keeps _______ A. cats, hens and pigs        B. ducks, goats and rabbits C. hens, rabbits and dogs     D. rabbits, pigs and cats 5. From the passage, we can learn that the writer ________. A. lives in a big city with his son     B. likes eating Japanese and Indian food C. lives in the countryside with      D. introduces a nice book to us