问题 单项选择题

干电池是一种常用、方便的电源.以下关于干电池的说法中,正确的是()

A、有的干电池提供直流电,有的干电池提供交流电

B、常用的1号、5号、7号干电池的电压随号数的增大而增大

C、干电池是把电能转化为化学能的装置

D、多数干电池中的汞、镉等重金属元素会污染环境.所以废弃的干电池应该集中分类处理

答案

参考答案:D

阅读理解

                                                              2010 Summer Camps

Summer camps provide boys and girls with a great summer experience. Whether you are seeking a

traditional camp or an adventurous camp, there is a summer camp for you!

    The 2010 Summer Camp Directory:

    1. Camp Voyageur

    Adventure Camp: Canoeing, Wilderness

    Boys' camp, operated since 1951 by the Erdmann family. Full incamp program of land and

water sports but half of the campers' 4 weeks or more will be spent paddling, hiking & camping

in the nearby Boundary Waters Canoe Area Wilderness. One trip leader stays with four campers

. Ages 1316. American Camping Association Accredited (认证).

   Camp Address

    PO Box 420

    Ely, Minnesota 55731

    USA

     (800) 9507291.

    2. Rockbrook Camp for Girls

    Girls Only-Overnight Camp

    Rockbrook is a traditional overnight summer camp for girls located in the mountains of North

Carolina.  Established in 1921, it offers a diverse program of horseback riding, outdoor adventure,

whitewater rafting, crafts and more. Girls ages 616 attend for 2, 3or 4week sessions.

    Camp Address

    4000 Greenville Highway

     Brevard, North Carolina 28712

     USA

     (828) 8846151.

    3. Glen Helen EcoCamps

     Coed (男女兼收的)-Day and Overnight Camp

     Choose from a variety of five day long overnight and day camps in the midst of a 1,000 acre

nature park with an onsite raptor(肉食) center. It features handson & fun educational programming

with trained naturalists. Camp sizes kept under 12. Day camps $ 180, overnights $ 275. Ages 515.

June 16July 25.

     Camp Address

     1075 St. Rte. 343

     Yellow Springs, Ohio 45387

     USA

     (800) 5384893.

    4. Backyard History Day Camps

    Coed    -Day Camp

    Heritage House is featuring a series of 7 summer day camps, from July 8 until August 19. The camps

are for children aged 612 years old and run from 9:30 am3:30 pm on Wednesdays. Camps cost $20

per child/day if you register & pay by June 8 and $ 25 per child/day after. Each day features a different

theme!

    Camp Address:

    11 Old Slys Road

    Smiths Falls, Ontario K7A 4T6

    Canada

     (613 ) 2838560.

1. The text is probably written for________.

A. teachers    

B. parents

C. children    

D. patients

2. If David joins Adventure Camp for boys, how long can he stay there at most?

A. Five days.  

B. Seven days.

C. Two weeks.  

D. Four weeks.

3. Susan dreams of becoming a Charles Darwin when she grows up, which camp might interest her?

A. Camp Voyageur.

B. Glen Helen EcoCamps.

C. Rockbrook Camp for Girls.

D. Backyard History Day Camps.

4. How is Backyard History Day Camps different from other camps?

A. It offers a discount.

B. Younger children can join.

C. It is for both boys and girls.

D. It lasts the shortest.

单项选择题 A1/A2型题