题目内容
（请给出正确答案）
[单选题]
TCA循环的第一步反应产物是
A.柠檬酸
B.草酰乙酸
C.乙酰辅酶A
D.CO2
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更多“TCA循环的第一步反应产物是 A．柠檬酸 B．草酰乙酸 C．…”相关的问题
第2题
When the students came into the classroom, the teacher ______ on the blackboard.A．was writ
When the students came into the classroom, the teacher ______ on the blackboard.
A．was writing
B．is writing
C．wrote
第3题
When the students came into the classroom, the teacher ______ on the blackboard.A．was writ
When the students came into the classroom, the teacher ______ on the blackboard.
A．was writing
B．is writing
C．wrote
第4题
When the students came into the classroom, the teacher______on the blackboard.A．was writin
When the students came into the classroom, the teacher______on the blackboard.
A．was writing
B．is writing
C．wrote
第5题
In a grammar－translation method classroom, reading and writing are the major focus; l
In a grammar-translation method classroom, reading and writing are the major focus; little or no systematic attention is paid to speaking or listening, because literary language is considered superior to spoken language and is therefore the language students should study.()
第6题
The author's purpose in writing this passage is to ______.A．argue for teaching bright and
The author's purpose in writing this passage is to ______.
A．argue for teaching bright and not-so-bight pupils in the same class
B．recommend pair work and group work for classroom activities
C．offer advice on the proper use of the library
D．emphasize the importance of appropriate formal classroom teaching
第7题
The author's purpose of writing this passage is to ______.A．argue for teaching bright and
The author's purpose of writing this passage is to ______.
A．argue for teaching bright and not-so-bright pupils in the same class
B．recommend pair work and group work for classroom activities
C．offer advice on the proper use of the library
D．emphasize the importance of appropriate formal classroom teaching
第8题
The author's purpose of writing this passage is to______.A．argue for teaching bright and n
The author's purpose of writing this passage is to______.
A．argue for teaching bright and not-so-bright students in the same class
B．recommend pair work and group work for classroom activities
C．offer advice on the proper use of the library
D．emphasize the importance of formal classroom teaching
第9题
In a Direct Method classroom, grammar is learned inductively through ______ activities.A.
In a Direct Method classroom, grammar is learned inductively through ______ activities.
A. listening and speaking
B. translating and reading
C. writing and reading
D. listening and reading
第10题
The 5-paragraph essay is regarded by the author as ______.A．inadequate writingB．a simple m
The 5-paragraph essay is regarded by the author as ______.
A．inadequate writing
B．a simple model of writing
C．the most convenient way of writing
D．the most basic writing skill
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