基础生命支持的6个基本步骤流程为A．检查意识→检查呼吸→检查脉搏→开放气道→人工吹气

以下所列选项哪些情形属于犯罪中止( )

A．某丙骑自行车途经某村路段时，见到沈某(男，4周岁)在公路上行走，即起拐卖沈某的恶念，随即把沈某抱上自行车行至某镇，后又弃自行车乘长途汽车到某县。因一直找不到买主，某丙将沈某带回沈某家所在的村，将沈某留在公路上，自己逃回家去。沈某当即被村里的人发现，被带回交给其父母

B．某丁乘邻居陈某(女，29岁)一人在家之机，闯进陈某家，锁上房门，欲 * * 污陈某。陈某急中生智说：“俺小姑子一会要来”，并看了一下手表。某丁闻听，恐陈某告发，就罢手起身，向陈某赔礼后走掉

C．某乙于某日晚11时许，行至一小路岔口处，看到在他前面有一妇女单身行走，便起歹意，遂从后面冲上去，抓住该妇女的皮包就往回跑。刚跑出不到10米，只听后面喊道：“某乙，你怎么抢我的东西”某乙回头一看，见被抢者是其同学的妹妹，便赶紧走上前去说：“阿妹，我看你一个人走路，不放心，逗你玩玩。走吧，我把你送回家。”遂将该妇女护送回家。当时，该妇女包内有现金3000元

D．某甲于某夜按照预先观察好的路线进入仓库行窃，在搬东西时，碰翻了堆放在仓库中的水桶，水桶发出巨大响声。某甲以为被人发现，急急忙忙按预先观察好的路线逃走

This is What a REAL Silver Dollar Looks Like

If you trust in the yen, the euro, and the dollar... stop reading.

Because this is a story about the silver coin EVERYBODY wants.

You read the headlines. You know that troubled economic times have put global currency on a rollercoaster ( ride. But millions have found a smarter way to build long-term value with high-grade collectable silver. And right now, those people are lining up to secure some of the last 2012 U. S. Mint Silver Eagles, America's Newest Silver Eagle Dollars. Today, you can graduate to the front of that line. Buy now and you can own these brilliant uncirculated Silver Dollars for only $38.95!

You Can't Afford to Lose

Why are we releasing (发行) this silver dollar for such a remarkable price? Because we want to introduce you to what hundreds of thousands of smart collectors and satisfied customers have known since 1984—New York Mint is the place to find the world's finest high-grade coins. That's why we're offering you this Brilliant Uncirculated 2012 U. S. Silver Eagle for as little as $37.45 (plus s/h).

Timing is Everything

Our advice? Keep this to yourself. Because the more people who know about this offer, the worse it is for you. Demand for Silver Eagles in 2011 broke records. Experts predict that 2012 Silver Eagles may break them all over again. Due to rapid changes in the price of silver, prices may be higher or lower and are subject to(受...影响)  change without notice. Supplies are limited. Call immediately to add these Silver Eagles to your holdings before it's too late.

Offer Limited to 40 per household 2012 American Silver Eagle Coin

Your cost

1-4 Coins           $38.95 each + s/h

5-9 Coins            $38.45each + s/h

10-19 Coins         $37. 95 each + s/h

20-40 Coins         $37.45 each + s/h

Note: $10 s/h (shipping and handling) for each purchase

For fastest service, call toll-free 24 hours a day

1-888-201-7143

Offer Code (代码) ASE177-04

Please mention this code when you call.

New York Mint 14101

Southcross Drive W.,Dept. ASE177-04

Burnsville, Minnesota 55337

www. NewYorkMint. com

小题1:What is stressed in the ad?

A．The coin is of high quality and worth collecting.

B．The coin can be circulated as a currency.

C．Limited supplies guarantee a stable price of the coin.

D．Demand for the coin is bound to break records.小题2:If you buy six 2012 U. S. Mint Silver Eagles by post, you should pay at least ____.

A．$230.7

B．$233.7

C．$240.7

D．$243.7小题3:The ad strongly encourages people to purchase the silver coins by ____.

A．shopping online

B．making a phone call

C．lining up in front of the stores

D．writing to the company

设定A药的效价强于B药，以下哪些描述有误（）

A．A药的ED50较大

B．A药对受体亲和力较大

C．B药的副作用较小

D．A药的内在活性较强

E．B药的最大有效剂量较小

（6分）守恒思想是以定量的角度观察化学世界的永恒主题。

（1）某化合物在氧气中完全燃烧生成二氧化碳和水，推测该化合物中一定含有的元素

是_______。

（2）向50g溶质质量分数为36%的浓盐酸中加入50g水，所得稀盐酸溶质的质量分数

为_______。

（3）为适应铁路高铁时代提速的要求，需把短轨连成长轨，常用反应：

yAl + Fe₂O₃Al₂O₃ + yFe 进行焊接，该化学方程式中的y值为_______。

（4）卫星运载火箭的动力由高氯酸铵（NH₄ClO₄）发生反应提供，化学方程式为：2NH₄ClO₄N₂↑+Cl₂↑+2O₂↑+4X。则

①X的化学式为_______。

②该反应属于基本反应类型中的________反应。

（5）将56g一氧化碳在34g氧气中充分燃烧，生成二氧化碳的质量为_______。

量变与质变的区别是相对的。（）