Uints I. Basic listening practice 1. Script W: I bought a camera from your store. Here's my receipt. I know it's just warranty period, but the camera hasn't worked properly for some time, and now it's not focusing at all. M: We're sorry you've has problem with one of our cameras. I t seems that the camera has suffered some damage, but you've been a regular customer, and wed

1一横波在沿绳子传播时的波动方程 为y=0.20cos2.50t-x),式中y和x的单位 为m,t的单位为s.(1)求波的振幅、波速、 频率及波长;(2)求绳上的质点振动时的最 大速度;(3)分别画出t=1s和t=2s时的波 形,并指出波峰和波谷画出x=1.0m处质点的 振动曲线并讨论其与波形图的不同

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一、选择题(共10题20分) 1.2分(4182)4182p3和298K下,把Pb和Cu(Ac)2溶液发生的反应安排为电池,当获得可逆电功为91.84kJ时,电池同时吸热213.6kJ,因此该过程有:() ()△>0,△S>0 (B)△U0 (C)u>,<0 (D)△U<0,△S<0

一、选择题(共3题15分) 1.5分(4181) 4181在298K时,下述电池电动势为0.456V, Ag+Agl(s)KI(0.02 mol. kg, y+=0.905)KOH0.05 mol. kg+=0.820)Ag2O(s)Ag(s)当电池反应进行至电子传输量为1mol时,这时电池反应的平衡常数为:() (A)5.16×107 (B)1.9×10-8 (C)1.17×10 (D)1.22×10

Related Titles from WILEY-VCH H. Gunzler and H.-U. Gremlich (eds) IR Spectroscopy 2002. ca. 361 pages. Hardcover. ISBN 3-527-28896-1 . Siesler, Y. Ozaki, S. Kawata and H. M. Heise (eds) Near-Infrared Spectroscopy Principles, Instruments, Applications 2001. ca. 348 pages

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1. Compare Stearns' Type 2 fracture pattern to the okljoints from the class notes. Draw a diagram and discuss the nature and occurrence of the fracture(s)

复旦大学99年微生物学试题 1.名词解释(30分) （ 1) Koch's postulates （2) negative stains （3) RC(respiratory chain) （4) stationary phase （ 5) semi-synthetic antibiotics （6) cxtrcmophiles( extremc-microorganisms) （7) heteroiactic fermeniation

lBackground knowledge lI. Introduction to the passage lⅢ. Text Analysis ⅣV. Rhetorica| devices V. Questions