适用普通税率的进口货物也适用暂定税率。( )

阅读理解。

     It’s important to prepare(准备) for earthquakes because you don’t know where you will be when an

earthquake happens. Earthquakes may happen at any time, so prepare some things for your home, office

and car.

1. Clothes.

     If you live in a cold place, you must keep warm. You might not have heat after an earthquake.

     Think about your warm clothes.

2.Flashlights(手电筒) and spare batteries.

     Keep a flashlight beside you bed, at your office and in your car. Do not use matches(火柴) after an

earthquake until you are sure that no gas leaks(气体泄漏).

     Prepare a radio and some spare batteries. Most telephones will be out of order, so radios will be your best source of information(信息来源).

3. Food and medicine.

      It’s always a wonderful idea to keep some food on hand. For example, some biscuits, some canned

food, milk and some other drinks for at least 72 hours. You’d better get some necessary medicine for

our family.

4.Water.

     A person needs at least 1/2 gallon(加仑) of water daily just for drinking. Store at least 1 gallon of

water for a person every day and be prepared for 72 hours. It is suggested that you buy bottled water.

Do not open the bottle until you need it. Also, do check the “use by”date.

1.Why should people prepare themselves for an earthquake?

A.Because earthquakes can be know before they happen.

B.Because earthquakes usually take place in the neighborhood.

C.Because we don’t know when and where an earthquake will happen.

2.If you live in a cold place, you should prepare ________.

A. some hot water

B. some warm clothes

C. some batteries

3.According to the article we know that ________.

A.We need to prepare some things only at home

B.A telephone is the most important source of information

C.Flashlights but not matches are first used after earthquakes

4.You should prepare all of the following except ________.

A .milk

B. fresh vegetables

C. biscuits

5. About the water, which description is RIGHT?

A.A person should drink at least 1 gallon of water in a day.

B. You shouldn’t open the bottled water until you need it.

C. You’d better keep some hot water for 72 hours.

受水平外力F作用的物体，在粗糙水平面上作直线运动，其图线如图所示，则

A．在秒内，外力大小不断增大

B．在时刻，外力为零

C．在秒内，外力大小可能不断减小

D．在秒内，外力大小可能先减小后增大

设有下列二叉树：

对此二叉树后序遍历的结果为

A．ABCDEF

B．DBEAFC

C．ABDECF

D．DEBFCA

Windows操作系统是通过 【11】 来控制外围没备的。

最终妊娠母猪占实配母猪头数的百分比为（）。

A、繁殖率

B、配种指数

C、总受胎率

D、情期受胎率