把568300改写成用“万”作单位的数是______万，保留一位小数是_____

阅读下文并回答问题。

Dave is my friend. His family is rich. His parents always give him lots of pocket money. But Dave thinks his parents work very hard and it's not easy for them, so he always tries his best to save money. He has some good ways to do it.

Dave likes reading. He has lots of books. He tells me he often buys books online, because they're cheaper. And when he has free time, he often goes to bookstores or libraries to do some reading.

Dave has a bike. He usually goes to school by bike instead of taking a bus. Sometimes when it rains or snows, he walks. These two ways help Dave keep healthy and save some money.

Dave brings a bottle of water to school every day. When other students drink juice, he enjoys his water. He thinks water is the cheapest but the best drink.

Some students think Dave is mean. But I don't think so. I think he is right. What do you think of him?

小题1:Does Dave try his best to save money?

小题2:How does Dave usually go to school?

小题3:What does Dave bring to school every day?

阅读下面这首金人元好问的《摸鱼儿》，完成1～2题。

　　恨世间、情是何物，直教生死相许？天南地北双飞客，老翅几回寒暑。欢乐趣，离别苦。是中更有痴儿女。君应有语。渺万里层云，千山暮雪，只影为谁去？

　　横汾路，寂寞当年萧鼓，荒烟依旧平楚。招魂楚些何嗟及，山鬼自啼风雨。天也妒，未信与，莺儿燕子俱黄土。千秋万古。为留待骚人，狂歌痛饮，来访雁丘处。

　　注：作者自序：乙丑岁赴试并州，道逢捕雁者云：“今旦获一雁，杀之矣。其脱网者悲鸣不能去，竟自投于地而死。”予因买得之，葬之汾水之上，累石为识，号“雁丘”。同行者多为赋诗，予亦有雁丘辞。

1．这首词主要采用了什么写作手法？首句的诘问有什么作用？

答：_________________________________________________________

2．请结合全词，简析“为留待骚人，狂歌痛饮，来访雁丘处”这几句话的作用。

答：_________________________________________________________

行政管理的客体是( )。

A．行政机关

B．社会事务

C．国家事务

D．行政机关的内部事务

E．社会关系

头盆不称试产中的护理，不正确的是

A．专人守护，关心产妇饮食、营养、水分、休息，以保证良好的产力
B．试产过程中可应用镇静、镇痛药物，以保证产妇充分休息
C．少肛查，禁灌肠
D．密切观察胎儿情况及产程进展
E．注意识别子宫破裂的先兆

维系蛋门质一级结构的化学键是

A．盐键
B．疏水键
C．氢键
D．二硫键
E．肽键