| A.The test was devised in the 1920’s. |
| B.7,752 identical and non-identical twins took part in it. |
| C.The test was set to assess children’s intelligence. |
| D.The children took the test at four. |
| A.changed | B.formed | C.taken | D.designed |
| A.Those who could draw better at 4 tend to be more intelligent at 14. |
| B.Twins who look similar to each other draw better pictures. |
| C.They were chosen to take the drawing test by the researchers. |
| D.They were tested on how smart they were once. |
| A.human society develops because of the ability to draw figures |
| B.drawing helps improve humans’ ability to study |
| C.one’s intelligence is related to his ability to draw pictures |
| D.only human beings are able to draw pictures |