教材优化全析
JIAO CAI YOU HUA QUAN XI

Warming up

1.Cover a glass of water with a piece of thick paper.
用一张厚纸盖住一玻璃杯水。
cover…with… 掩盖。例如：
She covered her face with her hands.
她用手掩面。
The mother covered her baby with a blanket.
那个妈妈用毛毯盖着她的婴儿。
Our apple tree is covered with fruit.
我们家的苹果树硕果累累。
2.Put one hand on the paper and turn the glass upside down.
把一只手放在纸上，然后把玻璃杯颠倒过来。
upside down 颠倒地，翻倒过来地。例如：
He turned the room upside down.
他把房间弄得乱七八糟。
Hang upside down from a tree.
从树上倒吊着。
Don’t hold the box upside down.
不要把那个盒子倒拿着。
3.Fill one glass with fresh water and another glass with salt water.
一只杯子装满淡水，另外一只杯子装满盐水。
fill…with… 用……填充……例如：
He filled the shelf with books.
他在书架上塞满了书。
This announcement filled her with excitement.
那项宣告使她满怀激动。
4.Put an ice cube in each glass.
每一个玻璃杯内放入一冰块。
cube n. 立方体，立方体之物。例如：
a sugar cube 一块方糖
The cube of 5 is 125.
5的立方是125。

Listening

1.One of the most famous English poems about life on the ocean tells the story of an adventurous sea journey.
英国很有名的一首诗歌讲述了这则海上冒险的传奇故事。
one of + n. (pl) 例如：
This is one of the best novels that have appeared this year.
这是今年出版的最佳小说之一。
He was the only one of the boys who was given a prize.
他是这些孩子中唯一受到奖励的。
2.Work with a partner and see if you can come up with a good, scary story like the one about the mariner.
和同伴一起活动，看你们能否想出一个像“水手”一样惊险的故事。
come up with 提出，提供。例如：
come up with a proposal 提出建议
I hope you can come up with a better plan than this.
我希望你们能提出比这个更好的计划。
You have come up with a good idea.
你想出来了一个好主意。

Speaking

1.You may use the following questions to get started.
你可以从下列问题着手。
get started 这个是get done 这种形式特别用在意想不到地、突然地或偶然发生的情况。get具有与be相同的作用，形成被动语态。例如：
The car couldn’t get started.
这车发动不起来。
I got caught for speeding. 我因超速而被抓住。
Some glasses got broken when we were moving.
我们搬家的时候，有些玻璃杯被打碎了。
2.Who benefits from using water in this way?
通过这种方式用水，谁会从中受益？
benefit vi. & vt. 对……有益，有利益benefit
from/by 因……得到利益，受惠。例如：
I benefit greatly from/by my father’s advice.
我从父亲的忠告中获益良多。
This medicine will benefit you.
这种药对你有好处。


3.What are some disadvantages of using water in this way?
这样用水有什么弊端？
disadvantage [C] & [U] 不利条件。例如：
His poor eyesight is a disadvantage to him.
视力不佳是他的弱点。
His bad health is great disadvantage to him.
他体弱多病对他很不利。
at disadvantage 处于不利地位
to one’s disadvantage 对……很不利
disadvantage of… 与……比不利

Pre-reading

Pick out the subject of each paragraph and use the structures below to make six questions.
找出每一段的中心话题，用下面的句型，设计六个问题。
pick out 找出，分辨出。例如：
Can you pick out your brother in this crowd?
你能在这群人中找出你的兄弟吗？
He picked out his sister in the crowd.
他在人群中认出了他的妹妹。

Reading

1.The properties of water 水资源
property [U] & [C] 特性，性质；财产，资产。例如：
lose one’s property 失去财产
real property 不动产
Do you know who he left all his property to?
你知道他把全部财产留给谁了吗？
Many plants have medical properties.
许多植物具有疗效。
2.Life in the oceans ranges from the tiniest plankton all the way up to giants like sharks and whales.
海洋中的生物小至浮游生物，大至鲸和鲨鱼。
（1）range vi. 变动、变化 vt. 排列，将……排成行。例如：
The prices of the dolls range from $5 to $100.
那些布娃娃的价格从5美元到100美元不等。
She ranged the books on the shelves.
她把书架上的书排列好了。
They ranged themselves in rows.
他们排成列。
（2）all the way 一直，从头至尾。例如：
He drove all the way from Canada to Mexico.
他从加拿大一直开车到墨西哥。
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