问题 选择题

下列变化不属于化学变化的是(  )

A.加热高锰酸钾制氧气

B.氧气使带火星的木条复燃

C.活性炭吸附毒气

D.把煤隔绝空气加强热制得煤焦油、煤气等物质

答案

A、加热高锰酸钾生成锰酸钾、二氧化锰和氧气,有新的物质生成,属于化学变化,故A错;

B、氧气使带火星的木条复燃是利用氧气的支持燃烧,木条复燃是木条燃烧,属于化学变化,故B错;

C、活性炭吸附毒气是利用活性炭疏松多孔的结构,把毒气吸附在活性炭的表面,没有新的物质生成,属于物理变化,故C正确;

D、由于煤焦油、煤气与煤不是同一种物质,所以把煤隔绝空气加强热制得煤焦油、煤气等物质,说明有新的物质生成,属于化学变化,故D错.

故选C.

阅读理解
阅读理解
     You are welcome to Hong Kong Disneyland! When you enter the park, you'll be walking back in time. In Main Street
USA, you will see old-time taxis and yellow street, lamps. This is a small US town in the early 1900s. If you go into the
shops or restaurants, you can enjoy delicious food!
     A train may take you to a beautiful place high in the air. It's Sleeping Beauty Castle. Now you are in Fantasyland! It's
the home of your favourite Disney stories. Why not talk to Donald Duck? You can sit on a flying elephant, take a spin
(旋转)in the teacup, or go under the sea! In Adventureland, you'll go into a dark jungle(丛林地带). Follow the river,
surprises wait for you at every corner. In the middle of the river is an island with a tree-house. You can also watch the
dancing and music from the Disney classic(经典) The Lion King.
     Science-fiction(科幻小说) fans will get excited in Tomorrowland. You can join a cartoon character to save the world.
It's also cool to rocket(乘火箭) through outer space in own spaceships!
     Here, you'll find surprises that are not in other Disneyland parks. Mickey even wears a red-and-gold Chinese suit.
Mulan will have her own pavilion(亭子).The fireworks at night are even played to go with music!
     任务:Cheng Ping来到了香港迪斯尼乐园,假设你是当地导游,请你根据材料相关信息,带Cheng Ping去能满足她愿望的地方。
Cheng Ping wants to
You could take her to
take pictures with Mulan.
Mulan Pavilion
get some information on space.
1.                         
take old cars.
2.                         
see the whole park.
3.                         
have a picnic.
4.                         
翻译题