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【简答题】
设微分方程通解为y=C 1 +lnC 2 x,试讨论怎样给定初始条件,可得唯一特解,以及特解的定义域.
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举一反三
【单选题】Which of the following statement is incorrect?
A.
Language is a means of expressing a particular culture.
B.
All languages can well express their respective cultures.
C.
Some primitive languages can also express their cultures.
D.
Some primitive languages are better than other languages.
【单选题】Learning a new language is always a challenge. There are new words, new grammar, and newpronunciation. Language is an important part of culture, and becoming familiar with (熟悉) the cultureas well as t...
A.
An Enjoyable Experience
B.
How to Learn a New Language
C.
How to Face the Challenge When You in Trouble
D.
The Importance of Culture in Learning a Language
【单选题】Learning a new language is always a challenge. There are new words, new grammar, and newpronunciation. Language is an important part of culture, and becoming familiar with (熟悉) the cultureas well as t...
A.
learn new words, new grammar, and new pronunciation
B.
learn about China's history and culture
C.
stay in the other country and learn its language
D.
communicate with people in China
【单选题】Learners learn a language in order to be able to do things with it. Language is seen not only as a linguistic system but also a means for doing things. This view belongs to
A.
Structural view
B.
Functional view
C.
Interational view
【单选题】Learning a new language is always a challenge. There are new words, new grammar, and newpronunciation. Language is an important part of culture, and becoming familiar with (熟悉) the cultureas well as t...
A.
you can get a good grade in the exam
B.
you will communicate with its people much easier
C.
you will be interested in its history
D.
you will make more friends
【单选题】下元虚冷、虚阳上浮,应首选的药物为
A.
附子
B.
吴茱萸
C.
肉桂
D.
干姜
E.
茴香
【单选题】Learning a new language is always a challenge. There are new words, new grammar, and newpronunciation. Language is an important part of culture, and becoming familiar with (熟悉) the cultureas well as t...
A.
a Chinese student who is studying abroad ( 国外 )
B.
a foreign student who is studying in China
C.
a famous writer who wants to learn a new language
D.
a teacher who is teaching English in China
【单选题】Which of the following statement is incorrect?
A.
Language is a means of expressing a particular culture.
B.
All languages can well express their respective culture.
C.
Some primitive languages can also express their cultures.
D.
Some primitiVe languages are better than other languages.
【单选题】Which of the following statements about language is NOT true?
A.
Language is a system.
B.
Language is symbolic.
C.
Animals also have languages.
D.
Language is arbitrary.
【简答题】国家制图标准规定重要的可见轮廓线用( )线表示。
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