揭示生物体内遗传信息传递一般规律的是（） A.基因的遗传规律 B.碱基互补配对原 发布时间：2019-03-04 16:47 │ 来源：www.tikuol.com 题型：单项选择题 问题： 揭示生物体内遗传信息传递一般规律的是（）A.基因的遗传规律 B.碱基互补配对原则 C.中心法则 D.自然选择学说
题型：单项选择题 完形填空。 A little girl thought she was not as beautiful as other girls and nobody liked her. So she was always 1 and didn't like to talk to others. However, one day, her mother 2 her a beautiful hair clip (发夹). When she wore it, she looked much more beautiful than 3 . She decided to wear it to school. On her way to school she found that everyone who saw her smiled 4 her. Most of her classmates said 5 to her, but this never happened before. She thought that the beautiful hair clip 6 her happiness.She was so happy about all of the wonderful things. All her classmates wanted to know what happened toher, 7 she didn't want to tell them about her beautiful hair clip. When she went back to her 8 after school, her mother asked her, "Did you know you dropped your hair clip? I 9 it by the door this morning." She understood that she didn't wear the hair clip to school at all. It is not important what we wear or 10 we look. The most important is how we think about ourselves. ( )1. A. excited ( )2. A. told ( )3. A. now ( )4. A. at ( )5. A. goodbye ( )6. A. borrowed ( )7. A. if ( )8. A. classroom ( )9. A. knew ( )10. A. how B. unhappy B. dropped B. before B. for B. thanks B. brought B. but B. shop B. liked B. what C. tired C. gave C. ago C. on C. hello C. bought C. or C. home C. found C. when 查看答案