问题 多选题

某同学用“用DIS研究气体的压强与体积的关系”,做了两次实验,操作完全正确,在同一p-1/V图上得到了两条不同的直线,造成这种情况的可能原因是

[ ]

A.两次实验中温度不同

B.两次实验中空气质量不同

C.两次实验中保持空气质量、温度相同,但所取的气体压强的数据不同

D.两次实验中保持空气质量、温度相同,但所取的气体体积的数据不同

答案

AB

选择题
阅读理解

第二部分阅读理解(共15小题;第一节每小题2分,满分30分)

第一节阅读下列短文,从每题所给的四个选项中,选出最佳答案,并在答题卡上将该项涂黑。

Primary source Holiday Shopping Night at Ten Thousand Villages Brookline

●Shop for four holiday gifts and give back go primary Source at TenThousand Village on Friday, December 4! 15% of all sales from 3:00p.m.---7:00p.m. that day will be donated to Primary Source. Join us for light refreshments and enjoy beautiful handmade gifts from artisans around the world. All are welcome!

Primary Source’s Holiday Shopping Night

Friday, December 4,2009

3:00p.m.---7:00p.m.

Ten Thousand Villages

226 Harvard Street, Brookline, Massachusetts (Coolidge Corner)

Download our flyer and tell your friends!

Ten Thousand Villages provides vital, fair income for the people from developing countries by marketing their handicrafts and telling their stories in North America. Learn more and preview toys, home décor(家庭装修), jewelry, and other gifts online.

●Can’t join us on Dec.4? At Goodshop, 30% of your spending will be given go to Primary Source. The next time you’re ready to make an online purchase, visit www.goodshop.com and enter “Primary Source” in the space provided. Click “verify” and choose from more than seven hundred popular stores and sites, from Apple to Zappos. Goodshop is free and easy to use, and each purchase you make will help Primary Source provide global education materials for schools all over New England.

1.What is ten thousand villages?

A.A town    B.A website        C.A shop     D.An organization

2.The underlined word “flyer” probably means ________.

A.a software B.an e-book C.a ticket     D.an advertisement

3.If you pay $10 for a gift at GoodShop ,  ________ in the end.

A.7 dollars will go to GoodShop       B.3 dollars will go to GoodShop

C.7 dollars will go to Primary Source       D.10 dollars will go to schools in New England