单项选择题
A．at birth B．both at birth and through education C．through education D．neither at birth nor through education
28（）A．numberB．amountC．manyD．much
单项选择题28（）
A．number B．amount C．many D．much
In the second paragraph "if we take two （）A．pick any tw...
单项选择题In the second paragraph "if we take two （）
A．pick any two persona B．choose two persons who are relative C．take out two different persona D．choose two persons wish different intelligence
The example of the twins going to a uncertainty and a f...
单项选择题The example of the twins going to a uncertainty and a factory separately shows（）
A．the importance of their intelligence B．the importance of their positions C．the role of environment on intelligence D．the part that birth plays
