Part I Vocabulary& Structure(20%) Section A 1. IfI _you, I would not do it. A.was B.am C.were D. be

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1、某水泵以转速n为3600r／min旋转时，相对应的扬程H为128m，流量qV为1.23m3／min， 为满足该流量，拟采用比转数ns为85～133范围的单吸多级泵，试确定所用泵叶轮的级数i? 答案:解：试用2级时，i1＝2，比转速

元素周期表中第 I 族碱金属元素（Li、Na、K、Rb、Cs）与第 VII 族的卤素元素（F、Cl、Br、I）化 合物（如 NaCl， CsCl，晶体结构如图 XCH001_009_01 和 XCH001_010 所示）所组成的晶体是典 型的离子晶体，半导体材料如 CdS、ZnS 等亦可以看成是离子晶体

“If I had to reduce all educational psychology just one principle, I would say this: The most important single factor influencing learning is what the learner already knows. Ascertain this and teach him accordingly

Part I Vocabulary Structure(20%) Section a I. Ben was quite stubborn and it was almost impossible to him of his mistakes B. recognize C. forget D. convince

Revision: I. Expressions Directions: Turn the following English terms into Chinese without looking at your textbook I. sale by sample 2. G M.Q 3. sale by

设V是复线性空间.V×V上的一个函数,如果满足 (i)(·,·)对第一个变量是线性的 (i)(a,B)=(B (ii1)ya∈V,(a,a)≥0,且(a,a)=0分a=0 则称(a,B)为向量a,B的内积,具有内积的复线性空间称为酉空间(欧氏空间在复线性 空间上的推广)

Task Team of FUNDAMENTAL ACCOUntING hool of Business, Sun Y at-sen University Lesson 13 Managerial Accounting I: Concepts and Principles Self-Test I. True and False Questions Managerial accounting places less emphasis on precision and more emphasis on flexibility

ynamic order statistics OS-SELECT(i, S): returns the i th smallest element in the dynamic set S. OS-RANK(, S): returns the rank ofx E S in the sorted order of s s elements IDEA: Use a red-black tree for the set S, but keep subtree sizes in the nodes