链环断裂是链传动机构常见的（）之一。A．事故 B．损坏形式 C．磨损 D．修理

--- I was late for school this morning.

---_______ You started early, didn’t you?

A．Why not?

B．So what?

C．How come?

D．Never mind.

补写出下列名句和文学常识的空缺部分。

①辛弃疾《水龙吟·登建康赏心亭》“_____________，水随天去秋无际”是一句描写了作者在赏心亭上所见的景色。

②_____________，不仁；失其所与，不知。（《烛之武退秦师》）

③____（填作者）在《醉花阴》中写到“_____________，帘卷西风，____________”，借此表达她独守空闺、度日如年之感。

④屈原在《离骚》中用“民生各有所乐兮，_____________”向世人大声表白自己洁身自好、独立不倚的高洁品行。

⑤曹操《短歌行》中的“_____________，忧思难忘”。气韵沉雄，体现了“建安风骨”的诗歌风格。 

⑥___（填作者）的《望海潮》中写到“_____________，风帘翠幕，_____________”，此句描绘出北宋时期杭州繁荣承平的气象。

若把江河湖泊水中溶解的气体收集起来，分析的结果是：氧气所占的体积大于21%，氮气所占的体积小于78%，对此应得出的结论正确的是[ ]

A.只有空气中的氧气和氮气能溶解在天然水中

B.溶解在天然水中氧气和氮气与空气中的氧气和氮气的百分含量相同

C.天然水中溶解的氧气极少，所以在湖泊中养鱼要采取增氧措施

D.氧气和氮气相比较，氧气比氮气更易溶解于水

用括号中所给词的适当形式填空

1. -Who __________(write) this piece of music?

    -Mozart did.

2. -What did you do last Sunday afternoon?

    -I __________(watch) the movie-Bodyguards and Assassins(《十月围城》) It's very moving.

3. Lu Xun was a famous __________(write) and he had thousands of __________(read).

4. Which do you like __________(well) , tea, coffee, or milk?

5. Stop __________(talk) and let's begin our class.

6. Of all the restaurants here, Town Bar has the __________(friendly) service.

7. The farmers are busy __________(get) in wheat in the fields now.

8. The children spent the day __________(play) with their new toys.

9. It is about ten __________(minute) walk from here.

10. The Yellow River is the second __________(long) river in China.

曾国藩家教理论中提出带兵打仗不应以什么为本？（）

A.金钱

B.恼怒

C.妄语

D.扰民