茶壶盖上的小孔使壶内的茶水容易流出，这是因为“小孔”使壶身和壶嘴构成了一个 __

Henry escaped ________ by admitting his mistake as soon as he saw the headmaster．

A．to be punished

B．punishing

C．having punished

D．being punished

何谓“奇恒之府”？何谓“传化之府”？其区别何如？

Webster        his American Dictionary of the English Language, which first appeared in 1828.

A．is best known for

B．is most known for

C．is best known as

D．is most known as

在“成绩”表中，检索选修4门以上课程的男生的姓名和平均成绩。“成绩”表中包含学号、姓名、课程名称和成绩4个字段。请将下面的SQL语句补充完整。
SELECT姓名,AVG(成绩)AS 平均成绩FROM成绩；
WHERE性别="男"；
GROUP BY学号；
______COUNT(^*)＞=4

现在有关中学生学习方法的讨论铺天盖地，有请名人介绍经验的；也有情考上重点大学的学生现场报告的；家长著书介绍孩子的等等。请你根据教材中有关学习方法的分析，结合自己的实际，谈谈如何转变学习观念，学会学习。

____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________