The reason ___ he didn’t come was ___he was terribly ill.

The reason why the mice in Ader's experiment avoided saccharin was that ________.

A．they disliked its taste

B．it affected their immune systems

C．it led to stomach pains

D．they associated it with stomach

听力原文：What was the reason that the Iceman's body was well preserved？

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A．The Iceman died more than 5000 years ago.

B．The body was found in northern Italy.

C．The body was found with a bow and arrows.

D．The body was protected by ice.

I don’t know the reason he was absent.

A、why

B、because

C、which

D、as

The reason for his absence is ______ he fell ill yesterday.

A．why

B．that

C．because

D．for

__________ is no reason for dismissing him

A.Because he was a few minutes late

B.Owing to a few minutes being late

C.The fact that he was a few minutes late

D.Being a few minutes late

His father died of cancer of lung. That's ______ he gave up smoking.

A．because B．so C．why D．the reason

One reason that might explain Page's sleeplessness was ______.

A．his mother's injured before he was born

B．that he had gradually got rid of the sleeping habit

C．his magnificent physical condition

D．that he hadn't got a bed

The reason "Father was in a hurry to get home" was that he ______.

A．wasn't feeling very well

B．hated to drive in the dark

C．wanted to take some exercise

D．didn't want to be caught by the police

What is most probably the reason Securepoint employed Jaschan？

A．Because it wants to support him in the trial.

B．Because it sympathizes with him in the case.

C．Because he can contribute to the work on the defenses against computer viruses.

D．Because he is capable of attacking computer worms.

A、why

B、how

C、that

D、for