单项选择题

A．To show how simple the mechanical aids for diving can be.
B．To provide an excuse for his changeable character.
C．To explore the philosophical issues of space travel.
D．To explain why he took up underwater exploration.
<上一题 目录 下一题>
热门 试题

单项选择题
Just over half the nurses in the 1986 study believed mat management understood the effects that shift work had on them.
A．Y
B．N
C．NG
单项选择题
A．We should be aware of the danger of alcohol.B．We should have controlled ourselves earlier.C．It’’s time for us to act now.D．It’’s time for us to realize the danger of tobacco.
A．We should be aware of the danger of alcohol.
B．We should have controlled ourselves earlier.
C．It’’s time for us to act now.
D．It’’s time for us to realize the danger of tobacco.
相关试题