问题 多选题

下列有关体循环和肺循环的叙述中,不正确的是(  )

A.体循环和肺循环运输的血量不同

B.体循环和肺循环的动力都来自于心脏的收缩

C.先进行体循环再进行肺循环

D.体循环和肺循环的途径是:心室-动脉-毛细血管-静脉-心房

答案

A、血液循环的途径如图所示:即将血液循环划分为体循环和肺循环是人为的,流经任何一个循环部位的血量都是相同的.故符合题意.

B、心脏是血液循环的动力器官,体循环和肺循环的动力都来自于心脏的收缩;故不符合题意.

C、体循环和肺循环是同时进行的,并且在心脏处汇合在一起,组成一条完整的循环途径,为人体各个组织细胞不断的运来养料和氧,又不断地运走二氧化碳等废物.即体循环和肺循环没有先后的问题.故符合题意.

D、由血液循环途径的图示可知:体循环和肺循环的途径都是:心室-动脉-毛细血管-静脉-心房;故不符合题意.

故选:A、C

选择题

If you’d like to go sight-seeing, the following World Heritage Sites may be your best choices.

Jiuzhaigou Valley Scenic and Historic Interest Area

The Jiuzhaigou Valley, which lies in the northern part of Sichuan Province, reaches a height of more than 4,800 meters, with a series of different forest ecosystem (生态系统). There you can enjoy watching excellent waterfalls. Some 140 kinds of birds also live in the valley, as well as a number of endangered plants and animals, including the giant panda. For more information, please visit http://whc.unesco.org/en/list/637.

Khami Ruins National Monument

The city of Khami, which developed after the capital of Great Zimbabwe had been given up in the mid-16th century, is of great archaeological (考古的) interest. The discovery of objects from Europe and China shows that Khami was a major center for trade over a long period of time. For more information, please visit http://whc.unesco.org/en/list/365.

Henderson Island

Henderson Island, which lies in the eastern South Pacific, is one of the few atolls (环礁) in the world whose ecology (生态) has not been touched by human beings. It is especially famous for the ten plants and four land birds that can only be seen on the island. For more information, please visit http://whc.unesco.org/en/list/487.

The Old City of Jerusalem

As a holy city for three different religions in the Middle East, Jerusalem has always been of great religious importance. It was given a World Heritage Status in 1981 and placed on the “List of World Heritage in Danger” the following year. For more information, please visit http://whc.unesco.org/en/list/148.

小题1:What can we know about The Jiuzhaigou Valley?

A.It sits at the foot of a 4,800-meter-high mountain.

B.It has different forest ecosystem.

C.Most of China’s endangered plants can be found here.

D.In all about 140 kinds of birds and animals live there.小题2:The discovery of some of the objects in Khami shows that the city ______.

A.had a very short history

B.was ruined in the mid-16th century

C.was once Great Zimbabwe’s largest city

D.once played a great role as a trade center小题3:From the passage we can learn that Henderson Island _____.

A.hasn’t been greatly influenced by human activities

B.isn’t suitable for humans to live on

C.has been open to visitors for years

D.is made up of a few large atolls小题4:If you are interested in religion, you should visit _____.

A.http://whc.unesco.org/en/list/148

B.http://whc.unesco.org/en/list/365

C.http://whc.unesco.org/en/list/487

D.http://whc.unesco.org/en/list/637

多项选择题