下列材料不属于晶体的是（）。 A.天然金刚石 B.水晶 C.玻璃 D.氯化钠 发布时间：2021-03-26 12:31 │ 来源：www.tikuol.com 题型：单项选择题 问题： 下列材料不属于晶体的是（）。A.天然金刚石B.水晶C.玻璃D.氯化钠
题型：单项选择题 完形填空。 For each of us, life is not easy. So, when something unlucky happens, remember to believe in yourself. When I was young, I was 1 weak in French to pass the exam. I often got "E" or "F" on my papers.My classmates often 2 me in class. I was always sad but could do nothing. But later a French speech.contest 3 my life. And it also changed my views on everything. It was a Wednesday afternoon ; my father asked me to 4 a French contest. It was a terrible idea! My French grades were 5 bad. "Don't worry, dear. Believe in yourself and you' re sure to 6 the contest. " After that my father and I chose a right topic. Then I began to 7 my best to practice it again and again over100 times. Finally Iwas very 8 in the contest. When my French teacher told me I got the first prize, I could 9 believe myears. And my father was too 10 to say a word. Then everything has changed for me. When I do anything, I always believe in myself and try my best to do it well.( )1. A. too ( )2. A. made faces( )3. A. helped ( )4. A. join ( )5. A. sometimes ( )6. A. win ( )7. A. take ( )8. A. bad ( )9. A. often ( )10. A. excited B. very B. talked toB. changed B. be in B. never B. pass B. try B. surprisedB. ever B. sad C. so C. laughed to C. took C. take care ofC. always C. beat C. use C. sorry C. hardly C. relaxed D. quite D. turned to D. brought D. take part in D. hardly D. get D. get D. successful D. always D. serious 查看答案