根据上下文及首字母提示，补全单词，完成短文。

    Children's schooling is changing very fast today. In the past, teachers k   l    children sitting still for

hours. They made them memorize d  2    kinds of things. In other w    3    , the children had to go on

repeating things until they knew "by heart". Today, many teachers want to know if it is p  4    to make

children learn at all. They say you can o  5      help them learn. They say you must let children learn and

find out things for t    6     .

    But for these children, school is a kind of prison. They are there only because their p  7    make them

go. They get out of the classroom as soon as the teacher lets them 1  8    . Many of them want to find

work, but the law will not let them work until they reach a certain a   9   . And so, they have to stay in

school.  Often they do not learn a  10  at all and hate every moment.

1.             2.             3.             4.             5.             

6.            7.             8.             9.             10.             

下列关于泪囊炎的叙述，不正确的是（）

A.由于鼻泪管的阻塞或狭窄继发感染所致

B.病原菌包括肺炎球菌、葡萄球菌、链球菌等

C.可表现为卡他性或化脓性炎症

D.临床表现为结膜干燥、无泪

E.可应用有效抗生素治疗