皮皮学，免费搜题
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搜题
【单选题】
交换效率要求满足（ ）条件A.
每一产品的边际技术替代率相等
B.
每一消费者的边际替代率相等
C.
消费者的边际替代率等于生产者的边际转换率
D.
边际技术替代率等于边际转换率
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举一反三
【简答题】Vocabulary teaching means teaching the pronunciation, spelling, usage and _______ of new words.
【单选题】Vocabulary teaching and learning must fit into
A.
the broader framework of a language course
B.
the teaching ability of teachers
C.
principal's arrangement
D.
student's performance
【多选题】Which of the following are the presentation strategies of vocabulary teaching?
A.
real objects
B.
word formation
C.
synomyms and antonyms
D.
mime
【多选题】which of the following are games for vocabulary teaching
A.
word search puzzle
B.
word riddles
C.
chain spelling
D.
labelling
相关题目：
【简答题】Vocabulary teaching means teaching the pronunciation, spelling, usage and _______ of new words.