13 . 当 with 引出的短语结构后面出现 both 时，with 的含义变成 and ，此时谓语动词应该用复数形式。如：Martin with his wife ,both working in the same company , have decided that they would send their little daughter to the nearest kindergarten .
14 . “one of + 复数名词 + 谓语”是固定结构，谓语动词用单数。但是，在“one of + 复数名词 + 定语从句”句型中，定语从句的谓语用复数；若 one of 的前面有 the , the only 时，谓语仍用单数。试对比：
He is one of the people who always help others .
She is the only one of my guests that comes from India .
15 . 主语是以-ics 结尾的学科名词以及 news , works , (工厂) , politics 等都属形式复数，而意义单数的名词，其谓语用单数形式。另外 means 一词单复数同形应视具体情况而定。
Mathematics seems to be difficult to learn .
A new means of teaching is being used in that school .
注：学科名词前如有物主代词修饰时，谓语常用复数。如：My mathematics are week .
16 . 主语是用作书名、剧名、报纸名、国名等的复数名词，谓语一般用单数形式。
The United States is a developed country .
二、学海导航
【学法指要】
单元重点词汇点拨
1. enlarge扩大；变大；增多
We enlarge the playground last year .
〖点拨〗enlarge on / upon详述；细说
Could you enlarge on / upon the point ?
2. encouragement鼓励；激励；促进
He received a lot of encouragement from his teacher . 老师给了他很大的鼓励。
〖点拨〗encourage sb to do鼓励某人干…… 。encourage sb in助长。如：
The boss encouraged me to study abroad .
Don’t encourage him in his laziness .
encouraging鼓舞人心的，encouraged被鼓舞的。如：
They were encouraged by the encouraging news .
3. appreciate欣赏；感激；赏识
His works were not appreciated until after his death . 直到死后，他的作品才受到重视。
You will appreciate his novels better if you read his past .
〖点拨〗appreciate / enjoy + doing欣赏干……。
Do you appreciate driving minibus ?
单元词组思维运用
1. remind sb of使某人想起 ……
He reminded me of his kind father .
I was reminded of my promise .
注意：remind sb that ……使人想起。remind sb to do提醒某人做某事。
She reminded me that I hadn’t watered the flowers .
Remind me to mail this letter after work .
I reminded him to work hard .
2. fix a date for确定……的日期
Let’s fix a date for a picnic this weekend .
注意动词fix的词组：fix one’s eyes on / upon凝视。如：His eyes were fixed on the photo on the wall .
3. pick up a travel book拿起一本游记
4．dip into随便翻阅；浏览
I have only been able to dip into your book yet ; I hope soon to be able to read it seriously .
I can’t say that I know a great deal about modern painting — I’ve just dipped into one or two books on the subject .
5. read bits here and there这儿看一点那看一点
6. turn to翻到；求助于
Please turn to Page 30 .
We must turn to our monitor to finish such a thorough cleaning .
7. if you wish如果你想要的话
8. an article of clothing一件衣物
注意：a suit of clothes一套衣服
9. above all最重要的是
注意：in all总共，first of all首先。
10. refer to
Don’t get angry . The person he referred just now isn’t you .
11. take turns to do轮流干……
12. shut up闭嘴；住口；关闭
For heaven’s sake , shut him up , he’s said quite enough already .