【单选题】What did he do all this for?( )
A.
To know if animals like chickens could be posted.
B.
To amuse the reader with an unlikely answer to the chicken-or-egg puzzle
C.
TO know if eggs would break on the way to their destination.
D.
To show that he was highly intelligent.
【简答题】What could be the title of this passage?
【单选题】()是血液循环的动力器官,它的收缩与舒张推动着血液在心血管系统中周而复始的流动。
【多选题】N九1 国际物流园区发展经验, 德国的经验有( )
【单选题】The researchers reduce the 'cost' of apples in order to______.
A.
see if the monkeys would 'buy' more apples, as humans would
B.
see if the monkeys understood the idea of a cash economy
C.
see if the monkeys preferred apples or another kind of food
D.
see what the monkeys would buy with only nine metal discs
【简答题】What else could Help the Aged do for the old? It could help ____________________.
【多选题】下列属于固定资产投资绩效质疑的是( )。
D.
有无因决策失误、管理不善造成严重损失浪费问题
【简答题】Researchers see the virtual reality technology impacting everything, from __________.
【单选题】The purpose for the activists to be against researchers is ______.
B.
to protect animal's rights
C.
to stop scientific research