本单元重点难点分析

1. David and Joy, come on, we're having a family meeting.

大卫、乔伊，快点，我们要开家庭会。

come on在此表示鼓励、挑战、恳求、要求等感叹语，可译作"赶快;来吧;快点"。例如：

(1)Come on, try it again! 来吧，再试一下!

(2)Come on. We are waiting for you. 快点，我们在等你呢。

(3)Come on. The film has begun.赶快，电影开始了。

2. Could you please tell me where we show our tickets?

你能告诉我们在哪里检票吗?

Could you...?句型中，Could不是过去形式，在此表示语气婉转、有礼貌。在希望得到肯定答复的疑问句中，以及在含有表示建议、请求和征求意见语气的疑问句中，常用some和something，而不用any和anything。

(1)Could you lend me your bike, please?

请把你的自行车借给我好吗?

(2)Would you like to have some drink?

你们想喝点什么吗?

(3)What about saying something about your family?

说说你家庭的情况好吗?

(4)Will you please give the poor boy something to eat?

请给那可怜的孩子一些吃的东西好吗?

3.Could you tell us how long we're going to be away?

你能告诉我们要去多久吗?

此句是由连接副词how long引导的宾语从句。要注意的是在以连接代词或连接副词引导的宾语从句中，从句的语序要用陈述句的语序。从句的时态要随主句的时态而变化。例如：

(1)Do you know what time the train leaves? 你知道火车几点离开吗?

(2)No one knows why he was late last night.

没人知道他昨天晚上为什么迟到了。

(3)I want to know how many English words you have learned.

我想知道你们已经学了多少英语单词了。

(4)She asked how much it cost.她问它值多少钱。

4. What's the number of the Smiths' flight out of Beijing?

史密斯全家离开北京的飞机航班号是什么?

(1)flight是fly的名词形式，表示"飞行;航班"等。

例：Flight Number 6141 to Beijing is ready to leave.

去北京的6141次航班马上就要起飞了。

(2)out of从……出来(去)，相对的词为into。

如：come out of the room 从房间里出来。

go into the room 到房间里去。

5. take, spend, pay, cost

四个单词意思均为"花费，使用"。

take常用于It takes(took，will take)sb sometime to do sth;spend构成的句式中，一般以"人"做主语，句型为：spend…on sth或者spend… (in)doing sth;pay构成的句式中，一般以"人"作主语，常用句型为 pay sb for sth 为……付款给……，pay off…付完，偿清……;cost一般以物做主语，可以解释为"花费;价值"，它还可做名词，意思是"价值，价格"。

It took my uncle less than two weeks to plant the trees. But it's worthwhile. You see, we paid nothing for all these trees, though they cost us more time and more energy. We spent almost 10 days last month searching everywhere, hunting for a farmer who is willing to offer us free supplies of young trees.

6.Then there are long white beaches to walk along.

along在这里是个副词，表示"向前"的意思。along作副词时，其前面的动词经常用的有：come, go, crawl, walk, drive, float, fly, move, hurry, pass, roll, run, swim等。例如：

Move along, please.请向前走!

Now, go along. 请直走!

Pass the note along.把条子传过去。

She walked along by himself.她一个人向前走。