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【单选题】
设z=f(x+y,xy),则dz=A.
f1dx+f2dy
B.
(f1+f2)dx+(f1+f2)dy
C.
(f1+yf2)dx+(f1+xf2)dy
D.
(xf1+f2)dx+(xf1+f2)
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【简答题】1980 年,新的文艺指导思想——“ , ”的提出,是文艺与政治关系讨论的重要成果,对新时期文艺复苏产生了巨大的推动作用。
【单选题】You have just changed the IP address on a computer named computer5 in your domain from 172.31.1.10/24 to 172.31.1.110/24. You were communicating with this computer from your workstation fine right bef...
A.
arp -d
B.
ipconfig /flushdns
C.
tracert computer5
D.
ping -6 172.31.1.110
【单选题】鹅口疮初期的患儿,其首要的护理诊断
A.
营养不良:与拒食有关
B.
体温升高:与感染有关
C.
口腔粘膜改变:与感染有关
D.
疼痛:与口腔粘膜炎症有关
E.
皮肤完整性受损的危险:与感染有关
【单选题】鹅口疮初期的患儿,其首要的护理诊断
A.
营养不良:与拒食有关
B.
体温升高:与感染有关
C.
口腔黏膜改变:与感染有关
D.
疼痛:与口腔黏膜炎症有关
E.
知识缺乏:患儿及家长缺乏口炎的预防和护理知识
【单选题】王长喜四级标准听力1
A.
The computer doesn’t work properly.
B.
Peter is writing an essay on environment.
C.
Mary is much better than Peter in using computers.
D.
Peter is taking a computer class which is helpful.
【单选题】鹅口疮初期的患儿,其首要的护理诊断
A.
营养不良：与拒食有关
B.
体温升高：与感染有关
C.
口腔黏膜改变：与感染有关
D.
疼痛：与口腔黏膜炎症有关
E.
知识缺乏：缺乏口炎的预防及护理知识
【简答题】A. The twenty-third Olympic s. B. Los Angeles hosting the Olympics. C. Using computers before and during the twenty-third Olympics. D. A sophisticated computer.
【单选题】[音频]
A.
By remote controlled parking systems.
B.
By drivers themselves.
C.
By GPS navigation systems （全球定位导航系统）.
D.
By advanced computers.
【简答题】A.Language was the first invention of mankind. B.There was no greater invention than language. C.Most of man's inventions depended on language. D.There were so many languages in the world. 24. A.Commu...
【简答题】Computers have brought about many changes in the ____________.
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