题目内容：

Mrs Smith's husband went off on a business trip to Australia. He wanted to catch the 3:30 plane to Darwin. She was very surprised when he telephoned her at 5 o'clock and said that he was still at the airport.

"What happened?" asked Mrs Smith.

"Well," said Mr Smith, "everything was going fine. I got my ticket, checked my luggage and waited in line at the gate. I walked across the runway to the airplane and I saw my friend Jack Scott. Jack was an airplane engineer. I shouted to him and a policeman caught me."

"Why did he catch you?"

"I don't know," said Mr Smith," All I said was ‘Hi, Jack! '"

The word "hijack" means "to take control of a plane by force".

1.Why did Mr Smith want to fly to Australia? Because____________.

A．he was an Australian businessman

B．he was leaving for Australia on business

C．his wife wanted him to

D．he wanted" to see his wife

2.Mrs Smith was very surprised because

A．Mr Smith didn't arrive in Darwin            B．Mr Smith telephoned her later

C．Mr Smith didn't leave the airport            D．Mr Smith was in Darwin

3.Mr Smith couldn't get on the plane because

A．he met with his friend Jack

B．he didn't get the ticket

C．there was something wrong with the airplane engine

D．he was stopped by a policeman

4.Which of the following is NOT true?

A．The police didn't know Mr Smith was Jack Scott's friend.

B．Jack Scott worked as an airplane engineer.

C．The policeman misunderstood Mr Smith.

D．Mr Smith knew why the policeman caught him.

5.Why was Mr Smith caught by the policeman?

A．Because he didn't keep silence at the airport.

B．Because he greeted an airport engineer named Jack.

C．Because the pronunciation of "Hi, Jack" has another frightful meaning.

D．Because the policeman didn't know English.