问题 选择题

下列关于陆地生活动物对环境的适应的叙述中,错误一项是(  )

A.一般都有防止水分散失的结构

B.一般都具有支持躯体和运动的器官

C.一般都具有能在空气中呼吸的肺

D.普遍具有发达的感觉器官和神经系统

答案

A、陆生动物一般都有防止水分散失的结构,如龟的甲、昆虫的外骨骼和蛇的细鳞等,不符合题意为错误项.

B、陆地上的动物不受水的浮力作用,一般都具有支持躯体和运动的器官,如虎的四肢、昆虫的翅、鸟的翼等以便觅食和避敌,不符合题意.

C、大部分陆生动物一般都具有能在空气中呼吸的,位于身体内部的各种呼吸器官,如昆虫的气管、兔的肺等,但蚯蚓等动物例外,符合题意.

D、由于陆生环境比较复杂,所以一般陆生动物有发达的感觉器官和神经系统,如鹿的脑、昆虫的复眼等,不符合题意.

故选:C

单项选择题 共用题干题
阅读理解

阅读理解。

     Frederick Law Olmsted (1822-1903), a Connecticut farm boy, saw his first public park in Liverpool,

England, as he accompanied his brother on a walking tour. He was impressed by the park's winding paths,

open fields, lakes and bridges. Perhaps the most wonderful things of all was that the park was open to

everyone.

     A moment beginning in 1840 to set aside park land on New York City's Manhattan Island had a successful

result in 1856 with the purchase of 840 acres of rocky and swampy (沼泽) land, bought with about $5

million in state funds. Olmsted's chance meeting with a project organizer led to his applying for the job of

park manager. In 1857 Olmsted was appointed manager of the proposed park, and the clearing of the site

began.

     Calvert Vaux, a British architect, asked Olmsted to collaborate with him on a park design, and Olmsted

agreed. Vaux saw the park as a work of art, while Olmsted saw the park as a place for people to escape the

noise of the city. Together they invented a plan that would give the persons and animals living in the city a

quiet, green park and would also preserve and increase the good qualities of the natural features of the land.

The commissioners voted in favor of Vaux and Olmsted's plan, and in 1858, the two became the official

designers of New York City's Central Park.

     It took millions of cartloads of topsoil to build Central park's gentle slopes, shady glens, and steep, rocky

ravines. Five million trees were planted, a watersupply system was laid, and bridges, arches, roads and paths

were constructed. The park officially opened in 1876, and today, well over a century later, people still escape

the noise of the city in Olmsted and Vaux's great work of art.

1. What is the text mainly about? [ ]

A. A history of the planning of Central park.

B. An engineering plan for Central Park C.

A. biography of Frederick Law Olmsted.

D. A guided walking tour of Central park

2. Olmsted became manager of Central Park because of _____.  [ ]

A. his friendship with Calvert Vaux

B. his hard work in clearing the land

C. his winning a design competition

D. a chance meeting with one of the park's organizers

3. The underlined word"collaborate" in the third paragraph means _____. [ ]

A. disagree

B. comment

C. vote

D. work together

4. Which of the following is true about Central Park? [ ]

A. It is out of date nowadays.

B. The designers came from the same country.

C. It is an old park in America.

D. It is only for people who can well afford it.