7.1螺纹 7.2螺纹联接件 7.3齿轮 7.4键、销联接 7.5滚动轴承 7.6弹簧

8.1零件图的作用和内容 8.2零件图的视图选择 8.3零件图的尺寸标注 8.4零件上常见的工艺结构及其画法 8.5零件图的技术要求 8.6读零件图

高职系列教材《程控交换技术实用教程》课程教学资源（PPT课件）封面

高职系列教材：《电视技术》课程电子教案（PPT教学课件）封面及目录

6.1视图 6.2剖视图 6.3断面图 6.4其它表达方法

一、函数单调性的判断 二、函数的极值

5.1我国的公用电话网 5.2信令系统简介 5.3程控用户交换机的入网方式

8.1集成运算放大器简介 8.2模拟运算电路 8.3放大电路中的负反馈 8.4信号处理电路 8.5正弦波振荡器

Part i Vocabulary Structure(25%) Directions: There are 25 incomplete sentences here, each with a blank. You are required to complete each one by choosing the most appropriate answer from the 4 choices marked A.B.c and D 1. Molly watching football matche T B. interested C. ke

L Matching: (20%) Directions: Read the essay below. The topic sentence of each paragraph is missing. Now look at the topic sentences a, b, c, d and e that followed the essay and match four of them with the paragraph