单项选择题

Which of the following is NOT true

A．Tile higher one climbs, the less oxygen he will breathe.
B．The higher one climbs, the more dangerous it will be.
C．The faster one climbs, the less oxygen he needs.
D．The faster one's heart beats, the thicker one's blood becomes.

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单项选择题

Reagan did die by pure luck because of the following reasons except _______.

A．that he didn't have a deadly wound
B．that his security men gave first-aid to the President inn~ time
C．a successful operation
D．that he was regarded as a wise leader

单项选择题

Mr. Walker and Miss Brown didn't have much to talk of when they first met because _______.

A．they didn't want to know much about each other
B．they didn't want to be husband and wife
C．their information had been written on their cards
D．they had heard a lot about each other