题目: 计算机网络的主要功能有资源共享、信息传送、分布处理。 ( ) 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0502/7891d35bf036c1befc1c39fd5ff06b27.html 下面是错误答案,用来干扰机器的。参考答案:D
题型:选择题 下列属于中国取得抗日战争胜利的原因的是①国际的支援与帮助②国民党正面战场的作战③中 * * 党敌后抗战④日本内部 * * 的瓦解 [ ]A.①②③④B.①②③C.②③④D.①③④ 查看答案
题型:选择题 除去下列各物质中的少量杂质,所选用的试剂、方法均正确的是[ ]物质杂质(少量)加入试剂及用量除杂操作方法A.KCl溶液CaCl2适量的Na2CO3溶液过滤,除去滤渣B.CuFe足量的稀硫酸溶解、过滤、洗涤、干燥C.NaOH溶液Ca(OH)2活性炭吸附、过滤D.COCO2足量的氧化铜加热 查看答案
题型:完形填空 完形填空。 Mobile phones are everywhere in big cities. It seems that 1 can survive without one. Mobile phonesare a great 2 to stay connected with friends and family. 3 , it is important to remember that there are certain times 4 you should not be using your phone, especially as a student, during school. 5 you are in class, you should not be sending your friends text messages 6 taking phone calls. Your classmates and teacher should not have to deal with this rude 7 . Aren't you at school to learn? In the United States, students would never be allowed to 8 their mobile phones during class. If you wereto send or 9 a text message you would probably be kicked 10 class. It is very disturbing to hear a lot oftones and ringing during 11 . There are many more rules for mobile phone use in America and it is important to 12 respect for those around you. As a teacher in China, I have to 13 students using mobile phones every day. I have told my class to 14 their phones, but many students do not listen. The 15 to be connected all the time seems to be more 16 than the desire to learn. It's easy to understand 17 it is so tempting (诱惑人的) to have your phone on during class. It seems so easy just to send a short text message; it's not hurting anyone, is it? But you may actually be hurting 18 when you do this. Your teacher knows when you use your phone and may give you a 19 grade. Sending a text message also takes your attention away from what's going on in class, you may 20 something important. ( )1. A. no one ( )2. A. road ( )3. A. But ( )4. A. which ( )5. A. If ( )6. A. and ( )7. A. act ( )8. A. have ( )9. A. receive ( )10. A. of ( )11. A. school ( )12. A. show ( )13. A. do ( )14. A. turn on ( )15. A. desire ( )16. A. possible ( )17. A. what ( )18. A. himself ( )19. A. higher ( )20. A. forget B. somebody B. way B. So B. w hen B. Before B. or B. action B. take B. accept B. off B. class B. suggest B. deal B. turn down B. wish B. interesting B. why B. yourself B. better B. remember C. someone C. method C. However C. that C. Because C. as well as C. behavior C. use C. make C. out of C. office C. ask C. do with C. turn in C. hope C. necessary C. that C. ourselves C. lower C. leave D. one D. path D. Therefore D. where D. After D. instead of D. habit D. send D. get D. out D. home D. answer D. deal with D. turn off D. expect D. important D. whether D. herself D. upper D. miss 查看答案