Do you think the way that Michal used to learn English is effective? Why or why not?
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Is there any breakthrough in your experience of learning English? Please share it with our classmates.
In your opinion, what is the most effective way to learn English?
运动生理学家把()的运动强度定位健康价值阈的上限。
A. 160次/min
B. 170次/min
C. 180次/min
D. 200次/min
课外活动应周密安排,做到
A. 定时
B. 定内容
C. 定场地器材
D. 定辅导人员