填空题：若1a+1b=4a+b，那么ab+ba=______．

题型：阅读理解

阅读理解。

Most people do not like to think about disasters (灾难) , so they do not prepare for them. This is a deadly

mistake. Whether you can be alive or not is decided by preparation. Here are some tips that could save your

life.

1. Getting through the first hour

● Choose an out-of-town person that each family member can call after the disaster if you become alone.

Besides, choose two nearby places where family members know to meet. One shouid be close to your home.

The other should be outside your neigh- bourhood. Keep your important papers at the bank or another safe

place.

● Leave a disaster-supply kit (一套装备) ( see Part 5) near the front door. Make sure you keep it filled with

fresh food and water.

● If you are advised to move to the safe place, leave the area right away.

2. The disaster-ready home

You may have some time to prepare before certain types of disasters. Take hurricanes (飓风) as an example.

● Bring in anything that could fly around or blow away.

● Prepare your car for leaving. ·Fill bottles with drinking water.

● Keep your radio on for weather information.

3. The safest places

● Hurricane: stay in an inside space with no windows. Class could break and hurt you.

● Earthquake(地震) : get under the nearest heavy desk or table. This will protect you from falling things.

4. Preparing for the worst -do this now!

● Hurricane:during the hurricane season, keep a two-week supply of drugs. Have wood and nails (钉子)

ready to cover windows.

● Earthquake: move beds away from windows, heavy pictures or mirrors. Place large and / or heavy

objects on lower shelves. Learn how to shut off the electricity and water.

5. Your disaster-supply kit

● First-aid (急救用的) kit and drugs; spare clothes; a radio; car keys; important phone numbers.

1. Should you leave when you are asked to move?

____________________________________________

2. What do you know is a deadly mistake from the passage?

____________________________________________

3. Why should you keep your radio on before certain types of disasters?

____________________________________________

4. Where can you stay to keep safe when hurricanes happen?

____________________________________________

5. What can you do to prepare for the earthquake according to the passage? ( At least 3 points)

____________________________________________

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题型：单项选择题 A1/A2型题

为得到一帧二维MRI，使氢原子出现不同倾倒角度的磁化矢量（）

A.倾倒角度不同的射频脉冲

B.不同位置的接收线圈

C.相位编码梯度磁场

D.频率编码梯度磁场

E.层面选择梯度磁场

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题型：选择题

2005年12月18日，陕西韩城有重大考古发现，西周和东周时期的大量珍宝相继出土面世：30件青铜礼器，600余件青铜鱼、青铜车马器；6000多颗玛瑙珠、陶珠以及1300多枚石贝、海贝……可谓琳琅满目。这一考古发现的意义有

①是2005年陕西省重大考古发现之一

②是2005年全国重大考古发现之一

③这几座两周墓葬是陕西地区30多年来发现的少见的未被盗的周代高等级贵族墓葬

④对研究两周时期的政治、经济和墓葬、礼乐制度有重大意义

A．①②③④

B．①②

C．①②④

D．③④

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题型：单项选择题

某企业为增值税一般纳税人，主要生产甲、乙两种产品，适用增值税税率为17%，消费税税率为30%，2007年9月份有关会计资料如下：
(1)销售甲产品1000件，每件不含税价格为1200元，同时负责运输并收取运输费5000元。
(2)将甲产品100件用于职工福利，已知其生产成本为每件800元。
(3)购进一批原材料，取得的增值税专用发票上注明价款为300000元，税款51000元。
(4)委托A厂(增值税一般纳税人)加工一批乙产品，已知其原材料成本为100000元，支付加工费15000元，并取得增值税专业发票。A厂无同类产品的对外售价。
根据上述资料回答下列问题：

委托加工乙产品应由受托方代收代缴的消费税为( )。

A．4500元

B．30000元

C．34500元

D．49285.71元

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题型：单项选择题

可用于心脏骤停的是

A．去甲肾上腺素
B．间羟胺
C．肾上腺素
D．麻黄碱
E．多巴胺

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若1a+1b=4a+b，那么ab+ba=______．

题目：

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