奠定当代中国一切发展进步的政治前提和制度基础是什么？

心理问题是亚健康的重要内容之一。处理不当会发展为心理障碍和心理疾病，而且心理问题又是诱发亚健康问题的重要因素。所以说，心理调节对于解决亚健康问题有非常重要、不可替代的作用。 作者接下来有可能要论述的是( )。

A．心理调节的性质

B．心理对亚健康的影响

C．亚健康中的心理问题

D．如何进行心理调节

下列关于浓硝酸和浓硫酸的叙述错误的是（     ）

A．和铜反应中都表现出强氧化性和酸性

B．分别露置在空气中，容器内溶质的物质的量浓度都降低

C．都可以储存于铝制槽罐中

D．都是常用的干燥剂

How many coins nave you got in your pocket right now? Three? Two？ A bent one？

　　With a phonecard you can make up to 200 calls without any change at all.

　　（1） What do you do with it?

　　Go to a telephone box marked（you guessed it）“phonecard”.Put in your card, make your call and when you’ve finished, a screen tells you how much is left on your card.

　　（2） Now appear in a shop near you.

　　Near each Cardphone place you’ll find a shop where you can buy one. They’re at bus, train and city tube stations（地铁）.

　　Many universities, hospitals and clubs. Restaurants and gas stations on the highway and shopping centres. At airports and seaports.

　　（3） No more broken payphones.

　　Most broken payphones are like that because they’ve been vandalized（故意破坏）. There are no coins in Cardphone to excite thieves’ interest in it. So you’re not probably to find a vandalized one.

　　Get a phonecard yourself and try it out ,or get a bigger wallet.

小题1:The passage is most probably ________ .

A．a warning

B．a note

C．an advertisement（广告）

D．an announcement小题2:There are three sections（部分） in the passage. Which section do you think is about why phonecards are good?

A．Section 1．

B．Section 2．

C．Section 3．

D．None.小题3:Choose the right order or the steps under“How do you use a phonecard”.

　　a. Put in your phonecard.

　　b. Look at the screen to find out how many calls you can still make.

　　c. Go to a telephone box marked “Phonecard”.

　　d. Make your call.

A．a, b, c, d

B．c, a, d, b

C．a, d, c, b

D．c, d, a, b

男性，30岁，左上后牙自发性剧痛2d。3周前，左上后牙行单层垫底，一次完成银汞合金永久充填。充填前无自发痛。口腔检查：远中邻面银汞合金补物完好，叩诊（-），温度刺激试验（），牙周检查正常。

合适的应急处理方法是（）

A．黏膜切开引流

B．去除原补物，重新双层垫底永久充填

C．去除原补物，安抚2周后，重新双层垫底永久充填

D．牙周冲洗，涂2%碘甘油

E．开髓引流

腼腆mián tiǎn