一、选择题 1.0.40mol·dm3丙酸溶液的pH是(Ka=1.3×10-5)…() (A)0.40 (B)2.64 (C)5.28 (D)4.88

• Lead-in Activities • Text Organization • Writing and Reading Skills • Language Points • Guided Practice • Assignment College Pressure

A1 Husbands Wives Redefinition and adjustment of both husband's and wife's needs and values in contemporary British society. The effects of newly-emerging work patterns upon the roles of husbands and wives within the family

Part I Wastewater Engineering 1 Wastewater Engineering: An Overview Fig. 1-1 Schematic diagram of a wastewater management infrastructure

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Unit Eight Cloning Teaching Period 10(1-2) Reference book:(New)Integrated Course 3 Student's and Teaching's book Teaching Method: Combining explanation and practice To understand the read ing material (Text A) Important Point: Understanding the read ing material

一、选择题(共 33 分) 1. 在真空中波长为 λ 的单色光，在折射率为 n 的透明介质中从 A 沿某路径传播到 B，若 A， B 两点位相差为 3π，则此路径 AB 的光程为( ) (A)1.5λ． (B)1.5nλ． (C)3λ． (D)1.5λ/n．

Objectives Focus Warming up 3.1 I would like to speak to… 3.2 Getting people to do things 3.3 Can I take a massage? 3.4 Planning and making calls Sum-up Assignment

UNIT THREE Word Study 1. character n (1)C](指个人、民族、社会特有的)天性,性格;特色:(事物的)特性 ---He has a strong but gentle character 他有坚强但温柔的性格

一.选择题（每题3分共15分） 1.AutoCAD用户图形文件默认的文件名后缀是（ ）。 a DWT b DXF c TXT d DWG 答案：d