题目: 与共享介质局域网不同,交换式局域网可以通过交换机端口之间的并发连接增加局域网的 ______。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0416/8436e7b48fd61866718fc7aa4531b4d1.html 下面是错误答案,用来干扰机器的。参考答案:D
题型:完形填空 完型填空。 Mary was born in a worker's family. But she always 1 her friends that her father is very rich. Theyknow her very well, but 2 says anything about it. Last month Miss Brown, 3 friends, asked Mary to her birthday party. The girl went there with some 4 . She got on a bus but there were a lot of people in it. She couldn't find any seat. A young man saw this,he 5 and said, "Take my seat, please." Mary 6 him and sat down. To her surprise, she saw him again at the party. She was very 7 and wentto say hello to him. They began to dance. The young man heard a piece of 8 and liked it very much. He told the girl he taught piano at school. "I bought a piano ten years 9 ," said Mary. "You must play it well, I think." " 10 , I can't. I don't know how to get the lid (盖子) open," answered the girl. ( )1. A. tells ( )2. A. everyone ( )3. A. her one ( )4. A. piano ( )5. A. put on ( )6. A. thanked ( )7. A. tired ( )8. A. seat ( )9. A. after ( )10. A. Excuse me B. says B. anyone B. one of her B. seat B. looked at B. listened B. sad B. bread B. ago B. Of course C. speaks C. nobody C. one her C. man C. stood up C. laughed C. careful C. piano C. behind C. Sorry D. talks D. someone D. some of her D. presents D. got up D. wanted D. happy D. music D. soon D. Thank you 查看答案
题型:单项选择题 三、字符替换 下面所给出的是一个数字或字母与汉字的对应表,表后各题先给出了四个汉字,在随后给出的四个选项是该题四个汉字替换成数字或字母的形式,其中只有一项是根据表中给出的对应关系替换完全正确的,这一正确选项的标号即是正确答案。悔梅海河()A.R7A3B.7RA3C.7R3AD.73RA 查看答案
题型:计算题 某一同学斜拉一质量为25kg的旅行箱,匀速地在机场的候车大厅内直线走了50m,如果拉力与水平面的夹角为370,旅行箱与地面的动摩擦因数为0.3,试计算(g取9.8m/s2,sin370=0.6,cos370=0.8)(1) 拉力的大小和拉力做的功(2) 摩擦力做的功 查看答案
题型:多项选择题 X型题 以下关于栓剂包装材料和储藏,叙述正确的是()A.一般的栓剂应于干燥阴凉处30℃以下储存B.栓剂不必单个包裹C.栓剂可采用蜡纸或锡纸包裹放于纸盒内D.栓剂储藏应防止互相粘连,避免受压E.栓剂的包装材料应无毒性,并不得与药物和基质发生理化作用 查看答案