379.The reason why so many children like to eat this new brand of biscuit is that it is partjcularly sweet and crisp.
这么多小孩喜欢吃这种新品牌的饼干，是因为它特别甜、特别脆。

六级词汇讲解:

the reason why...是表示原因的固定句型，其中的why不可以用that替换。如：
The reason why I did it is obvious.
我这样做的理由是显而易见的。

说明reason的内容时不能用becauseo如：
The reason why he was late was that he was ill.
他之所以迟到，是因为他病了。

有时，the reason后也可接介词for，如上句又可改为：
The reason for his being late was that he was ill.

英语六级考点归纳

与reason有关的短语还有：

in reason意为“合理；正当”。如：
I'll do anything in reason to help you.
我将给你一切合理的帮助。

by reason of意为“由于”。如：
He was excused by reason ofhis age.
他因为年龄的关系而得到宽恕。

by reason that意为“因为”。如：
He looks down on us by reason that we are poor.
因为我们穷，他瞧不起我们。

reason sb. into doing sth.意为“通过讲道理使某人做某事”。如：
The doctor reasoned his patient into quitting smoking.
医生劝他的病人戒烟。