题目内容

某药的降解反应为一级反应,其反应速度常数k=0.0096天-1,其t1/2

A. 1天
B. 5天
C. 8天
D. 11天
E. 72天

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The notion "the extent to which the sentence element contributes to the development of the

A. theme.
B. rheme.
C. communicative competence.
D. communicative dynamism.

Which of the following is not a description of sound segment[s]?

A. Voiceless.
Bilabial.
C. Alveolar.
D. Fricative.

______is a principal representative of The Prague School.

A. Mathesius
B. Halliday
C. Bloomfield
D. Chomsky

Robinson Crusoe is one of the major works of

A. Thomas Hardy.
B. Daniel Defoe.
C. George Orwell.
D. Thomas Eliot.

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