【简答题】Listen to the
interview. Fill in the blanks with what you hear. 01 Unit 1 task 3.mp3:
【简答题】Listen to the speech again and complete the organizational structure of the company. u01p12.mp3:
【简答题】Listen to the dialogue and imitate: D: Hello. L: Hello. D: My name’s David. David White. L: My name’s Li Ping. D: Are you a student of this university? L: No, I’m a teacher. D: Oh, I see. Shall I call...
【简答题】Listen to a conversation at a job fair and decide whether the following statements are T ( true ) or F ( false ) . u01p11.mp3: ( ) 1. Benjamin Yang comes to the job fair to recruit new staf...
【简答题】4-1(2016-01-16).mp3: Listen to the news and fill in the blank with the missing information. Hi, everybody. On Tuesday, I gave my final State of theUnion Address. And a 1. wasthis: how do we make the n...
【简答题】排球运动起源于何时、何地、由谁发明的? 2. 简述排球运动的特点。 3. 排球运动发展的进程分为娱乐排球、竞技排球和现代排球三个阶段,谈谈你对现代排球的个人看法。 4. 世界性排球比赛有哪几种?中国女排在哪几届比赛中获得冠军而荣膺“五连冠”称号? 5. 解放以来,我国男女排球队在技术上有哪些主要的创新? 6. 我国排球对世界排球运动的发展有哪些贡献?
【判断题】光敏二极管的PN结和一般二极管的PN结一样。
【单选题】灯丝变压器的叙述,哪组是错误的?( )
A.
X线管和整流管所用的灯丝变压器,都是降压变压器
D.
当高压变压器通电时,灯丝变压器次级电位并不高
E.
灯丝变压器初级电压在100~200V之间,次级电压在5~12V之间