用户交换机业务是指一个用户装设的，供（），并通过中继线与市话通信网连接与外界通话的话 发布时间：2017-04-21 12:04 │ 来源：www.tikuol.com 题型：单项选择题 问题： 用户交换机业务是指一个用户装设的，供（），并通过中继线与市话通信网连接与外界通话的话业务。A.内部通话B.外部通话C.网类通话D.网外通话
题型：单项选择题 填入合适的词。1. Can you play __________ me? 2. I eat supper __________ my family. 3. It's time __________ play a game.4. I work __________ at school.5. My school is __________ the First Street. 6. I __________ in a house on the Ninth Avence. 7. __________ do you go to Nanjing?8. Do you __________ to school? Yes, I go to school on foot. 9. Look __________ the answers below. 查看答案
题型：单项选择题 完形填空。 I 1 you're well. I'm 2 holiday in London with my friend Jenny. We arrived 3 plane last Monday and 4 a taxi to our hotel. I went for a walk in Hyde Park but Jenny 5 with me 6 shewas tired. Then 7 Tuesday we saw the clock, Big Ben, and Buckingham Palace. Queen Elizabeth livesin the palace, but we didn't see her. I 8 some presents. 9 day we visited the British Museum 10 had dinner in a Chinese restaurant. ( )1. A. hope ( )2. A. at ( )3. A. in ( )4. A. take ( )5. A. came ( )6. A. and ( )7. A. on ( )8. A. buy ( )9. A. Next ( )10. A. and B. hoped B. on B. at B. took B. didn't come B. but B. in B. buyed B. The next B. but C. hopes C. in C. by C. taked C. comes C. because C. at C. bought C. Tomorrow C. so D. hoping D. with D. on D. by D. doesn't come D. so D. by D. buys D. On D. \ 查看答案
题型：单项选择题 下列词语中没有错别字的一组是（ ） A．装璜 更迭 嬉笑怒骂 走投无路 B．赋予 扫描 出其不意 美轮美奂 C．编纂 媲美 崭露头脚 唇枪舌剑 D．竞技 和谐 伸张正义 蛛丝蚂迹 查看答案
题型：单项选择题 阅读下列材料： 1926年他研制生产出的“红三角”牌纯碱获美国费城万国博览会金盾奖章，他成功地攻进了生产纯碱的新工业，为纯碱和氮肥工业技术的发展做出了杰出贡献。请回答： （1） 材料中的“他”是谁？ （2） 他发明的制碱方法被称为什么？ （3） 他的发明打破了制碱业什么局面？ （4） 他有什么精神？ 查看答案