问题 阅读理解

阅读理解。

                                              Canyonlands National Park

     Canyonlands National Park is a famous tourist attraction in Utah where visitors can see

arches (拱门) and other beautiful rock formations.

     Canyonlands National Park is a wild,lonely area of rocks,rivers and desert plants.Only

Native Americans,cowboys,and explorers entered this area before the park was set up in

1964.Even today,it is difficult to walk or ride through the park.The roads are still made of

dirt.Driving requires a special vehicle.The National Park Service says Canyon-lands

National Park is wild America.

     Rivers created the area as they cut rocks into many different formations.At the center

of the park are two deep canyons carved by the Green and Colorado Rivers.Three areas

that surround these rivers are included in the park.

     One of these areas is called the Maze District.This area includes rock art made by people

who lived there more than 2,000 years ago.Yet many people today cannot see the Maze

District because it is so difficult to reach.The area is one of the loneliest and wildest areas in

the United States.

     Another area of the park is called the Needles.It includes long,thin,red and white rocks

that reach high into the air like fingers on a hand.

     A good way to see all the areas of Canyonlands National Park is to fly over it.A one

hour trip in a small airplane makes it possible to see the park's red rocks,arches and flat

areas where ancient Indian people once lived.

     From high in the air,visitors can clearly see the third area of the park-a high broad flat

rock known as the Island in the Sky.The island was formed between the two rivers.

Another interesting formation is called the Upheaval Dome.This is a huge hole about four

hundred and fifty meters deep and one point five kilometers wide.It is considered to be the

most unusual geological (地质的) structure in the area.

1.Why is Canyonlands National Park referred to as wild America?

A.No vehicle is available to go through the park.

B.The park today still remains as it was in the past.

C.There is no access for people to get close to it.

D.A variety of wild animals and plants grow in it.

2.What do we know about the Maze District?

A.No one is allowed to explore the area.

B.It is known to the outside world.

C.Its rock art dates back over 2,000 years.

D.It is the loneliest and wildest place in the US.

3.Which of the following statements is NOT true according to the text?

A.The unique geological structure results from the force of nature.

B.The Needles is named after the rocks in the shape of needles.

C.Canyonlands National Park has a history of about 2,000 years.

D.The Green and Colorado Rivers divide the park into three parts.

4.In order to have a good view of the park,you should go sightseeing________.

A.by air  

B.by land

C.by water  

D.on foot

5.Where did ancient Indian people use to live?

A.The red rocks.  

B.The flat areas.

C.The Island in the Sky.  

D.The Upheaval Dome.

答案

1-5BCCAB

问答题

(1)水是生命之源,它与我们的生活密切相关.在化学实验和科学研究中,水也是一种常用的试剂.水分子在特定条件下容易得到一个H+,形成水合氢离子(H3O+).下列对上述过程的描述不合理的是(______ )

A.水分子中原氧原子与氢原子之间的化学键发生了改变      B.微粒的形状发生了改变               

C.微粒的化学性质发生了改变                            D.微粒中的键角发生了改变

(2)随着人类对水的研究的不断深入,水的应用也越来越广泛.研究人员最近发现,在一定的实验条件下,给水施加一个弱电场,在20℃、1个大气压下,水可以结成冰,称为“热冰”.“热冰”有许多实用价值,如开发新药、用于纳米打印机等,还可能用来______(填写序号)

A.代替干冰    B.防止冰川熔化    C.在室温下制作冰雕      D.建室温溜冰场

(3)在灾害性事故中,骨折时有发生,通常用石膏来固定骨折部位.石膏可分为熟石膏(CaSO4

1
2
H2O,一种白色粉末)和生石膏(CaSO4•2H2O,一种坚硬的固体)两种,医生使用的石膏是______(填分子式或名称).石膏定型时发生的化学反应方程式______.

(4)火星探测车在火星大气中检测到了气体A.资料显示,A分子是三原子分子,其相对分子质量为60,在地球环境下A易分解.粉未状的KSCN与浓硫酸在一定条件下可得到气体A和二种硫酸氢盐,生成物的物质的量之比是1:1:1.则气体A的结构式是______.

(5)新型离子化合物[HC60]+[CB11H60Cl60]-是一种功能材料.它可以用超酸H(CB11H60Cl60)和C60反应,使C60得到质子来制取.该反应类型跟中学课本中的一个化学反应类似,课本中的这个反应是(写一个化学方程式)______.

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