探究点1 so引导的倒装句
so引导的倒装句表示前句所述肯定情况也适用于另一主语，其结构为“so + be动词/助动词/情态动词+另一主语”。
My books are really great, and so are theirs.
我的书很棒，他们的也是。
I enjoy reading the book and so does Li Dong.
我喜欢看这本书，李东也喜欢。
Mary can speak Chinese, and so can her brother.
玛丽会讲汉语，她弟弟也会讲汉语。
[知识拓展]“so +主语+be动词/助动词/情态动词”表示对前半句的再次肯定，强调事物的特征。如：
—Mary is a good student.
——玛丽是一个好学生。
—So she is.
——没错她是。/她确实如此。
情境应用
1. You are a doctor, and . (她也是)
2. —Jack can play basketball very well.
—. (他的确是)

1. so is she
2. So he can

探究点2 encourage的用法
encourage是动词，意为“鼓励；激励”。encourage sb. to do sth. 意为“鼓励某人做某事”。
Our teacher encourages us to show our own opinions.
老师鼓励我们展示我们自己的观点。
[知识拓展]encouraging adj. 令人鼓舞的
encouraged adj. 受到鼓舞的
encouragement n. 鼓励；鼓舞
情境应用
1. With his mother's , Xu Xiake travelled around China. (encourage)
2. My teacher encouraged me English as much as possible. (speak)

1. encouragement
2. to speak

探究点3 work out的用法
work out意为“锻炼；成功地发展；解决”。work out是“动词+副词”结构短语，宾语是名词时，可置于work与out中间或out之后；宾语是代词时，只能置于work与out中间。
I often work out to keep fit.
我经常锻炼以保持健康。
We must work out a plan as quickly as we can. = We must work a plan out as quickly as we can. 我们必须尽快作出一个计划。
The maths problem is too difficult. I can't work it out. 这道数学题太难了。我解不出。
情境应用
1. The students worked in groups to the difficult problem in the maths class.
A. work out
B. turn down
C. cut off
D. worry about
2. Some problems are too hard for us to , but computers can. (把它们计算出来)

1. A
2. work them out