An exercise with heterogeneity can also have a positive effect on learner attitude and motivation. It provides an opportunity for the teacher to give slower or less confident students the approval and encouragement they need.（）

An exercise with heterogeneity gives no opportunity for...

判断题An exercise with heterogeneity gives no opportunity for the really advanced students to exercise their capacity.（）

Verbal presentation of new words means that the meaning...

判断题Verbal presentation of new words means that the meaning of a second language word is demonstrated through concrete objects, visual aids, or through mime and acting.（）

Semantization means that every new word should be prese...

判断题Semantization means that every new word should be presented in such a way that its meaning becomes clear to the learner.（）