新概念第一册自学导读 Lessons143-144

（2）〈书面语〉彻底进行；执行：

We are going to prosecute the investigation further.

我们将进一步彻底进行调查。

3．surround  v.

包围；围绕：

The beautiful white house is surrounded by green trees.

那所漂亮的白房子被绿树环绕着。

That old professor loved to surround himself with young people.

那位老教授非常喜欢年轻人围在他左右。

When I went into the room, I saw Tim sitting on the floor surrounded by boxes.

当我走进房间时，我看到蒂姆正坐在地板上，他的周围到处都是盒子。
 
练习答案  Key to written  exercises

Lesson 144

A

1  The writer lives in a very old town which is surrounded by beautiful woods.

2  Because it is a famous beauty spot.

3  Visitors have been asked to keep the woods clean and tidy.

4  Litter baskets have been placed under the trees.

5  The writer went for a walk in the woods.

6  Yes, he saw a lot of rubbish.

7  He saw a sign among the rubbish.

8  The sign said, ‘Anyone who leaves litter in these woods will be prosecuted.

B

1  Someone has aired it. It has already been aired.

2  Someone has cleaned them. They have already been cleaned.

3  Someone has emptied it. It has already been emptied.

4  Someone has sharpened it. It has already been sharpened.

5  Someone has turned them on. They have already been turned on.

6  Someone has bought them. They have already been bought.

7  Someone has swept it. It has already been swept.

8  Someone has taken them to school. They have already been taken to school.

9  Someone has invited them. They have already been invited.

10  Someone has told them. They have already been told.

C

1  It hasn't been aired yeet. It will be aired tomorrow.

2  They haven't been cleaned yet. They will be cleaned tomorrow.

3  It hasn't been emptied yet. It will be emptied tomorrow.

4  It hasn't been sharpened yet. It will be sharpened tomorrow.

5  They haven't been turned on yet. They will be turned on tomorrow.

6  They haven't been watered yet. They will be watered tomorrow.

7  It hasn't been repaired yet. It will be repaired tomorrow.

8  It hasn't been dusted yet. It will be dusted tomorrow.

9  They haven't been corrected yet. They will be corrected tomorrow.

10  It hasn't been shut yet. It will be shut tomorrow.