The activity is a jigsaw activity in which by conducting experiments students learn about clouds. Teachers ( ) assign student pairs to each topic.
A.irregularly B.randomly C.mutually D.visually正确答案B
The activity is a jigsaw activity in which by conducting experiments students learn about clouds. Teachers ( ) assign student pairs to each topic.
A.irregularly B.randomly C.mutually D.visually正确答案B
