单选：该单位职工人数最多的年龄段与人数最少的年龄段的人数之和占总人数的：A．12%B．20%C．24%D．28%

Students are offered with opportunities to integrate what they learned from t...

Lucy is great to work with. I really couldn't find a __________ partner.

How many liaisons of sound are there in the sentence "Tell us all about it"?A．on

根据题目要求完成下列任务，用中文作答。什么是教学反思?(4分)教学反思的注意事项有哪些?(6分)请具体说明教学后反思阶段的内容。(10分)

The shy girl felt__________ and uncomfortable when she could not answer her t...