以净利润为基础的市场乘数法是( )。
【单选题】
长期服用二甲双胍后可能缺乏的维生素是( )
A.
维生素B₁₂
B.
维生素B₂
C.
维生素B₆
D.
维生素A
E.
维生素D
参考答案
参考解析
【单选题】
What vocabulary learning strategy does the following activity help to train?
The teacher created a situation and asked students to think of words and expressions that can be used in that situation.
Association.
Generalization.
Collocation.
Contextualization.