A、
The shape of the cubes used.
B、
The size of the objects shown.
C、
The number of times of repeating the process.
D、
The weight of the boxes moving across the stage.
【正确答案】
B
【答案解析】
A、
Boys enjoy playing with cubes more than girls.
B、
Girls tend to get excited more easily than boys.
C、
Girls seem to start reasoning earlier than boys.
D、
Boys pay more attention to moving objects than girls.
【正确答案】
C
【答案解析】
A、
It is a breakthrough in the study of the nerve system.
B、
It may stimulate scientists to make further studies.
C、
Its result helps understand babies' language ability.
D、
Its findings are quite contrary to previous research.
【正确答案】
B
【答案解析】
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