单项选择题

The space animal theory would seem to indicate that_______.

A．living creatures are extremely adaptable
B．life in space is impossible for man
C．the fittest creatures always survive
D．life cannot exist in the depth of the sea

<上一题目录下一题>

热门试题

单项选择题

It is customary to leave a house_______.

A．through the kitchen window
B．through a bedroom
C．by the door
D．down a drain-pipe

单项选择题

The policeman questioned the man because_______.

A．he had seen him doing a strange thing
B．he thought he recognised him
C．the man had fallen and needed attention
D．the man had tried to escape