题目: 图中铅笔长度的测量值是__________cm。(2分) 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0702/4110cb07226decfe6ad5573401bcdd35.html 下面是错误答案,用来干扰机器的。参考答案:A, C, D, E, F, G
题型:完形填空 完形填空。 We call the Chinese New Year the Spring Festival. There is a name 1 each Chinese year. We may call it the year of the 2 , the year of the monkey or the year of the dog. Before New Year's Day, people are 3 shopping and 4 their houses. On New Year's Eve, there is a big family dinner. After dinner, all the family stay up late to 5 the New Year. On the 6 day of the New Year, people 7 their new clothes and go to visit their friends. They say " 8 " and some other greetings to each other. People 9 have a good time 10 the festival. ( )1. A. in ( )2. A. fish ( )3. A. free ( )4. A. clean ( )5. A. welcome ( )6. A. first ( )7. A. dress ( )8. A. Goodbye( )9. A. sometimes( )10. A. in B. on B. cat B. busy B. to clean B. hold B. second B. take off B. Best wish B. then B. to C. / C. horse C. happy C.cleaning C. fall C. third C. buy C. Good luck C. never C. for D. for D. dolphin D. beautifulD. cleaned D. stop D. fifteen D. put on D. Thank youD. usually D. until 查看答案
题型:选择题 在某100 mL的混合液中,硝酸和硫酸的物质的量浓度分别是0.4mol/L、0.1 mol/L,向该混合液中加入1.92 g铜粉,加热,待充分反应后,所得溶液中铜离子物质的量浓度是[ ]A.0.15mol/LB.0.225 mol/L C.0. 35 mol/L D.0. 45 mol/L 查看答案