课后作业

1.

they are trying to prove that separating elementary -age boys and girls produces immediate academic improvement .

（第一段第二行和第三行）

2.    What is the difference between the male eyes and the female eyes?

    Their focus is different.

(从第三，四，五段比较中得知)

3.  Compared with boys,girls can hear  『higher frequencies』and  are  『more  sensitive』 to sounds.

          从第六段倒数第四句话Girls can hear higher  frequencies than boys and are more sensitive to sounds找到第三题答案

4、Teachers can help them by getting them to be more realitic about result.

（答案在第8段的第2句）

5. boys and girls are different in seeing , hearing and nervous systems,single gender programs are about maximizing the learning

从全文总结得知