探究点1 share...with...的用法
share 动词，意为“分享”。share sth with sb 表示“把……与……分享”。
To enjoy and share love is the most important thing in her life.
享受和分享爱是她生活中最重要的事情。
**情境应用**
1. Sharing happiness others makes life more meaningful.
A. by
B. with
C. of
D. to
2. Helen her daily life on TV last week. (share)
3. The students are encouraged to their learning ways their classmates. (与……分享)

1. B
2. shared
3. share， with

1. “share sth. with sb.”是固定短语，意为“和某人分享某物”，题目中“Sharing happiness ______ others ”应用介词with，表示和其他人分享快乐。
2. 根据“last week”可知，本句时态是一般过去时，所以动词share应用过去式shared ，表示海伦在电视上分享了她的日常生活。
3. “encourage sb. to do sth.”是固定用法，意为“鼓励某人做某事”；“share sth. with sb.”是固定短语，意为“和某人分享某物”，题目中已给出英文提示，所以第一个空填share，第二个空填with，表示学生们被鼓励与同学分享学习方法。

探究点2 joke 的用法
joke作名词,意为“笑话”。play a joke on sb 意为“跟某人开玩笑”Don't play a joke on your teacher. 不要和你的老师开玩笑。作动词,意为“开玩笑”He is joking with his classmates. 他正和同学们开玩笑。

情境应用
1. She with her friends during lunchtime. (joke)
2. Tom often his brother. (开玩笑)

1. jokes 2. plays a joke on

1. 句子描述的是午餐时间她和朋友们的行为，时态为一般现在时，主语She是第三人称单数，动词joke用第三人称单数形式jokes。2. “开玩笑”可用固定短语play a joke on，主语Tom是第三人称单数，often表明时态为一般现在时，动词play用第三人称单数形式plays。

探究点3 matter 的用法
1. matter 作动词,意为“要紧”；作名词,意为“问题”。
It doesn't matter.
不要紧。
I have some important matters to ask you.
我有几件重要的事情要问你。
2. no matter 意为“不论；不要紧”,通常与 what、which、who、how、when、where 等特殊疑问词连用,引导让步状语从句,“no matter+特殊疑问词”相当于“特殊疑问词+-ever”。
Whatever/No matter what happens to the children, their parents will always be there.
无论孩子们发生什么事,他们的父母总会在他们身边。
情境应用
1. —You don't look well. What's the matter?
—()
A. It doesn't matter.
B. I think so.
C. Sounds great.
D. I have a fever.
2. —Tom, I lost the pen you lent me yesterday. I'm so sorry.
—()
A. You are kind.
B. It is true.
C. It doesn't matter.
D. I am sorry too.
3. you are, you have to follow the rules of your school as a student. (不论谁)

1. D
2. C
3. No matter who

1. 第一题问句"What's the matter?"意为“怎么了？”，答句应回答自身的不适或问题。选项D“I have a fever.”（我发烧了。）符合语境。其他选项A“It doesn't matter.”（不要紧。）用于回答道歉，B“I think so.”（我认为如此。）和C“Sounds great.”（听起来很棒。）与问题无关。
2. 第二题上句“I lost the pen...I'm so sorry.”表达道歉，答句应用“It doesn't matter.”（不要紧。）回应。其他选项A“You are kind.”（你很善良。）不符合语境，B“It is true.”（这是真的。）和D“I am sorry too.”（我也很抱歉。）不恰当。
3. 第三题根据括号提示“不论谁”，需用“No matter who”或“Whoever”引导让步状语从句。结合题目要求填“No matter who”。