问题 选择题

胡老师从福建到西藏工作,半年后体检时发现,血液中有一种成分显著增加。增加的成分最可能是

A.白细胞

B.红细胞

C.血小板

D.血浆

答案

答案:B

题目分析:血液由血浆和血细胞两部分组成,血细胞包括红细胞、白细胞、血小板;红细胞里有一种红色含铁的蛋白质,叫血红蛋白,血红蛋白的特性:在氧含量高的地方,与氧容易结合,在氧含量低的地方,又与氧容易分离,血红蛋白的这一特性,使红细胞具有运输氧的功能。西藏属于高原地区,同平原地区相比,空气中氧的含量比较少,在这种环境下生活一段时间后,体内血液中红细胞的含量会增加,从而增加了血红蛋白的含量,提高了血液输送氧气的能力,以满足人体对氧气的需要。故选项B符合题意。

单项选择题
阅读理解

Brighton is in the county of East Sussex, on the South coast of England. Situated between the English Channel and the South Downs, Brighton is 90 km from London. Brighton’s nearby neighbor, Hove, is seen by some as a more desirable location than Brighton and it is often referred to by locals as "Hove, actually".

Brighton is a small city but there’s probably as much going on here as anywhere in the country except London. Brighton has numerous entertainment facilities, which additionally serve a considerable business conference industry. There’s a huge range of entertainment venues, including comedy at the Brighton Komedia, world music, opera and ballet at the Brighton Dome, jazz at the Joogleberry, top stars at the Brighton Centre and pre-West End shows at the Theatre Royal. The live music scene is also alive and well with several bands originating from the Brighton area going on to have commercial success in recent years.

Every year in May, Brighton hosts the "Brighton Festival" ------ the largest arts festival in England. Brighton’s theatres, concert halls, streets and some of the city’s most extraordinary venues host an array of art, entertainment and extravaganza (盛大表演). The earliest feature of the festival, "Open Houses" ------ homes of artists and crafts people, opened up to the public as galleries and usually sell the works of the inhabitants and their friends.

Students at the two universities in the area give the city a youthful vitality (活力), and in the summer, thousands of young students from all over Europe gather in the city to attend language courses. In addition to the usual coastal attractions, vacationers are drawn to the city’s Georgian architecture, trendy shops, and fine restaurants. Points of interest also include the Edwardian Preston Manor, the ornate Royal Pavilion, the engaging Sea Life Center, and a  variety of museums and art galleries.

小题1:What’s the author’s purpose of writing the passage?

A.To introduce Brighton to the readers.

B.To attract foreign students to study in Brighton.

C.To show his admiration for the city of Brighton.

D.To list entertainments in Brighton.小题2: What does the first paragraph mainly tell us?

A.The term of "Hove"

B.The situation of Brighton.

C.The county of East Sussex.

D.The distance between Brighton and London.小题3:According to the passage,where can you go if you enjoy watching opera?

A.Brighton Komedia.

B.Joogleberry.

C.Theatre Royal.

D.Brighton Dome.小题4: Why do people in Brighton have a good time in May every year?

A.Because they can enjoy all kinds of music played by top artists.

B.Because top stars from the world will go to Perform there.

C.Because the largest arts festival in England is held there.

D.Because the local people can appreciate works in the Open Houses.小题5:How many of the followings that attract people to Brighton are mentioned?

a. two universities            b. the summer language courses

c. the coastal attractions       d. the city’s Georgian architecture

e. the fine restaurants

A.2

B.3

C.4

D.5