I used to travel by air a great deal when I was a boy. My parents used to live in South America and I used to fly there from Europe in the holidays. A flight attendant would take charge of me and I never had an unpleasant experience. I am used to travelling by air and only on one occasion have I ever felt frightened. After taking off, we were flying low over the city and slowly gaining height, when the plane suddenly turned round and flew back to the airport. While we were waiting to land, a flight attendant told us to keep calm and to get off the plane quietly as soon as it had touched down. Everybody on board was worried and we were curious to find out what had happened. Later we learnt that there was a very important person on board. The police had been told that a bomb had been planted on the plane. After we had landed, the plane was searched thoroughly. Fortunately, nothing was found and five hours later we were able to take off again.
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1． A flight attendent would take charge of me…我总是由一位空
would表示过去经常发生的事，它与 used to的区别参见第55 课语法。 take charge(of)为固定短语，表示“接管”、“开始管
She took charge of the child after his parents died.
The new manager will take charge (of the company) from next week.
2．…only on one occasion have I ever felt frightened.……只是有
这是一个倒装句。倒装句的结构为“副词+助动词(be, do, have, can, must等)+主语+句子的其余部分”。它通常用来加强语气，是典型的正式修辞和正式文体。用倒装句的情况包括：
（1）句首为否定或近似否定的副词(never, rarely, little, on no occasion, hardly, no sooner…than等)：
Never has he got so many letters.
Little does he realize how important this meeting is.
On no occasion must you accept any money if he offers it.
Hardly had he begun his speech when he was interrupted.
No sooner had he returned than he bought a house and went to live there.
（2）句首为only构成的词组（如 only after, only then等）：
Only then did I realize what a mistake I have made.
Only after she had taken off her coat and hat could I recognize her.
3． gain height,（飞机）增加高度，爬高。
The car gained speed when it was outside the town. 汽车驶出城区后便加快了速度。
He has gained so much weight that he decides to go on a diet.
After eight hours, the plane touched down at New York airport.
Don't stand up before the plane has touched down.
5. Everybody on board was worried …飞机上的人都很着急……
Tom has never been on board a plane before.
There was a very important person on board(the ship).
parent n. 父（母）亲
flight attendant 空中乘务员
frightened adj. 害怕，担惊
curious adj. 急于了解，好奇的
bomb n. 炸弹
plant v. 安放
1． plant vt.
Trees were planted along the river.
They planted grass seed on the desolate hills.
Joe plants his garden with many flowers and vegetables.
A bomb was planted on the plane.
On that day many policemen were planted along the main street.
Why don't you take off your coat/hat/glasses?
After taking off, we first flew low over the city.
The plane will take off in half an hour.
As a boy, Jim used to take off his elders.
Jane isn't easy to get along with. She takes after her mother.
Your books have taken up too much space.
This work won't take up too much of your time.
He took up tennis/painting two years ago.
When did he take to drinking/smoking?
On one occasion I was taken in.
I forgot to take down his telephone number.
At the police station, everything he said was taken down.
We all hope that things will get better when the new manager takes over.
A What happened: never had(1.4); turned round(1.7); flew back(1.7); told(1.8); learnt(1.10); was searched(1.11); was found(1.12); were able to take off(1.12)
What was happening: were flying (1.6); and slowly gaining (1.6); were waiting(1.8)
What used to/would happen: used to travel(1.1); used to live(1.2);used to fly(1.2);would take charge (1.3)
C (sample answers)
1 In the past(but not now),I habitually flew there from Europe in the holidays.
2 I am accustomed to travelling by air now (because I have done it many times).
1 over 2 off 3 in 4 up…up 5 after 6 off 7down 8 off
1b 2d 3c 4c 5a 6d
7b 8a 9d 10a 11a 12c