题目内容

Both syntax and semantics are the branches of linguistics, the former studies the rules governing the combination of words into sentences, the latter studies ______.

A. the form of words
B. the meaning of language
C. the sound patterns of language
D. the change of language

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设α1，α2，α3，α4是四维非零列向量组，A=(α1，α2，α3，α4)，A为A的伴随矩阵．已知方程组Ax=0的通解为X=k(0，1，1，0)T，则方程组Ax=0的基础解系为______．

A. α1，α2，α3
B. α2，α3，α4
C. α1，α3，α4
D. α1+α2，α2+α3，α1+α3

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临时时用电施工组织设计应由( )编制，经主管部门批准后实施。

A. 项目部技术负责人
B. 电气技术人员
C. 电气监理
D. 工程监督小组

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窓を（）まま、出かけてしまいました。

A. 開けた
B. 開ける
C. あく
D. あいた

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The author is primarily concerned with______.

A. questioning the assumption behind certain experiments involving children under the age of 15
B. describing the new scientific findings about high blood pressure and suggesting some implications
C. describing two different methods for studying the causes of high blood pressure
D. revealing a discrepancy between the findings of epidemiological studies and laboratory studies on essential hypertension

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Both syntax and semantics are the branches of linguistics, the former studies the rules governing the combination of words into sentences, the latter studies ______.

A. the form of words B. the meaning of language C. the sound patterns of language D. the change of language

设α1，α2，α3，α4是四维非零列向量组，A=(α1，α2，α3，α4)，A*为A的伴随矩阵．已知方程组Ax=0的通解为X=k(0，1，1，0)T，则方程组A*x=0的基础解系为______．

临时时用电施工组织设计应由( )编制，经主管部门批准后实施。

窓を（ ）まま、出かけてしまいました。

The author is primarily concerned with______.

A. the form of words
B. the meaning of language
C. the sound patterns of language
D. the change of language

设α1，α2，α3，α4是四维非零列向量组，A=(α1，α2，α3，α4)，A为A的伴随矩阵．已知方程组Ax=0的通解为X=k(0，1，1，0)T，则方程组Ax=0的基础解系为______．

窓を（）まま、出かけてしまいました。