A.sense of sight | B.sense of touch |
C.sense of hearing | D.sense of smell |
A.the size of cards | B.the colour of pictures |
C.the number of objects | D.the shape of patterns |
A.To reduce the difficulty of the experiment. |
B.To carry their experiment further. |
C.To see how babies recognize sounds |
D.To keep the babies’ interest. |
A.Science fiction. | B.Children’s literature. |
C.A science report. | D.An advertisement. |