大部分杰普逊航路图采用的投影方法是：（）.A.方位投影 B.圆柱投影 C.圆锥投影

阅读短文判断正误，正确的在括号内标上（T），错误的标上（F）。

     There are so many people in need around us. The homeless are among them. They need our help. What

can we do to help them?

     ★ Understand who the homeless are-learn about the different causes of homelessness.

     ★ Don't look down on the homeless-give the homeless the same courtesy (礼貌). Treat them as your

friends.

     ★ Bring food to the homeless-when you pass by someone who asks for something, offer him or her

something to eat. If you have lunch, you can pack a little extra. If you eat at a restaurant, you can order

something to take with you when you leave.

     ★ Give money to the homeless-one of the most direct ways to help them is to give money.

     ★ Give clothes to the homeless-if there are some clothes that you no longer wear and they are in good

shape, collect them together and donate (捐赠) them to organizations that can help the homeless.

( )1. We should try our best to help the homeless because they are in trouble.

(     )2. It isn't necessary for us to know the causes of homelessness.

( )3. You should offer the homeless something to eat.

( )4. Whenever you go, you should take extra money or food with you in order to give it to the homeless.

( )5. It's a good idea to donate clothes to charity (慈善) organization.

下列物体中，质量为0.2千克的物体可能是[ ]

A．一只老母鸡　　　　

B．一个梨子　

C．一个鸡蛋　　　　　

D．一只蚂蚁

The nurse is giving home care instructions to a client who just had a cataract removed and an intraocular lens implanted. What should the nurse tell the client ？（）

A．Don't sleep on the operated side.

B．Wear the eye shield continuously for 2 weeks.

C．Aspirin may be taken for mild pain.

D．Straining during bowel movements is allowed.

为各造林地区选择生产力高、稳定性好的种源称为（）。

A、优树选择

B、种源选择

C、引种

D、驯化

扫舱短管属于（）设备。

（A）真空

（B）输油

（C）放空

（D）前三项都是