下面有关文学常识的连线，不恰当的一项是[ ] A．鲁迅——《阿长与》——《朝花夕

解微分方程y²dx-（y²+2xy-x）dy=0．

根据句意及首字母提示在横线处填上恰当的单词，使句子意思完整,语法正确。

1. I try my best to learn English well.  I don't want to let my parents d_______.

2. Dick is k ______ about geography.  He has read many books and travelled to many diifferent places

    around the world.

3. My best fricnd is very smart.  She can always come up w_______ some good ideas.

4. You need a lawyer to r______ you in court.

5. Have you carried the box to the s_______? It's dangerous here.

6. Only ten studcnts came to the class because dll the r_______ of the students were sick.

18．Development of economy ______ which our country attaches great importance, has drawn the attention of the whole world.

A．with

B．for

C．to

D．in

下列物质既能使高锰酸钾溶液褪色，又能使嗅水褪色，还能与氢氧化钠发生中和反应的是（）。

A、丙烯酸

B、甲苯

C、苯甲酸

D、硫化氢

税务机关检查某建筑安装企业营业税纳税情况时，发现下列行为，其中不属于分解工程价款少计营业额的行为是( )。

A．将工程分包或转包他人
B．将材料差价直接冲减工程核算成本
C．将工程耗用材料不记入施工成本，直接冲减库存材料
D．将向建设单位收取的全优工程奖记入“应付福利费”作为职工奖励基金