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【简答题】
两个均匀带电的同心球面,半径分别为 和 ,带电量分别为 和 .求(1)场强的分布;(2)当 时,场强的分布. (12分)
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【单选题】---Can't you see anything in the sky? ---______. I forgot to wear my glasses.
A.
Yes, I can't
B.
No, I can't
C.
Yes, I can
D.
No, I can
【简答题】根据所给的单词、汉语提示或首字母和英文释义写出正确的单词。 1. Look at the birds in the sky. Can you see ________ (they)? 2. He helped a boy________ (call) Daxiao in Sichuan all the time after the earthquake. 3. The supermarket is...
【单选题】听力原文：M: Oh, look at the sky, Cathy! It's starting to get cloudy. W: I see it. I hope it doesn't rain. I thought it was going to be a fine day today. M: That's certainly what the department was hoping ...
A.
They are planning a picnic for the department.
B.
They are having a picnic organized by the department.
C.
They are discussing how to escape from the sun.
D.
They are drinking and talking about the weather.
【单选题】患者，女性，30岁，有胃溃疡病史3年，经正规治疗并规律用药后仍发作。在进行入院评估时，护士发现其饮食极不规律，钟爱刺激性的饮食，经常应酬饮酒。请问对该名患者进行健康教育的重点是
A.
按时服药
B.
癌变的可能性
C.
合理饮食的重要性
D.
胃溃疡的发病机制
E.
学会排解压力
【简答题】亨德尔的清唱剧有哪些主要特点？举例说明。
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