磷脂双分子层是()的基本骨架;磷酸与脱氧核糖交替连接成的长链是DNA分子的基本骨架。

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问题:

磷脂双分子层是()的基本骨架;磷酸与脱氧核糖交替连接成的长链是DNA分子的基本骨架。

考点:考研政治动物学动物学题库
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Americans like to travel all their yearly holiday. Today,more and more travelers in the United States are spending nights at small houses or inns instead of hotels. They get a room for the night and the breakfast the next morning.

Rooms for the night in private homes with breakfast have been popular with travelers in Europe for many years. In the past five to ten years,these bed­breakfast places have become popular in the United States.Many of these America's bed­and­breakfast inns are old historic buildings.Some bed­breakfast inns have only a few rooms;others are much larger.Some inns do not provide telephones or televisions in the rooms;others do.

Staving at a bed­and­breakfast inn is much different from staying at a hotel.Usually the cost is much less.Staying at an inn is almost like visiting someone's home.The owners are glad to tell about the areas and the interesting places to visit.Many vacationers say that they enjoy the chance to meet local families.

小题1:Americans like to take a holiday trip ________.

A.all the year round

B.for years

C.every year

D.every other year小题2:According to the passage,which of the following is NOT true?

A.Some Americans like to stay at bed­and­breakfast homes instead of at hotels.

B.The bed­and­breakfast inns are private homes opened to vacationers.

C.The bed­and­breakfast inns have been popular in America for a long time.

D.The bed­and­breakfast inn owners provide a morning meal for their visitors and a room for the night.小题3:Why do American travelers prefer staying at bed­and­breakfast inns?

A.It is like visiting someone's home.

B.The money they spend there is much less.

C.They can meet local families.

D.All of the above.小题4:Staying at the bed­and­breakfast inns,________.

A.the travelers needn't pay anything

B.the travelers don't have to pay for the telephone or television

C.the travelers can meet and talk with the local people

D.the owners will show the travelers around the area

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下列各句中,没有语病的一句是 [ ]

A.宜居是城市发展的目标,也是城市最可贵的品质。几年来,吉安坚持打造山川秀美、环境幽雅、经济繁荣的和谐绿色家园,展现了街区整齐、色彩素雅、风格简洁、建筑精致、人与自然和谐统一。

B.一部《论语》,就是一部在路上的历史,这个以无数相遇和碰壁的片段构成的语录,铺设成了几千年漫漫的道路。

C.伦敦作为第30届奥运会的主办城市,其规划中的奥运村就在船坞区,因该地土地价格低廉,所以吸引了福特汽车等国际财团前来开发船坞区的改造。

D.互联网应建设成“护联网”,一方面由爱孩子的父母联合起来删除不健康的网页;另一方面要增强孩子的自我保护能力,培养他们正确使用、识别、传播网络信息的能力。

题型:填空题

前清蛋白比清蛋白更能早期反映肝细胞损害的原因是()

A.血清浓度高

B.易于测定

C.浓度恒定

D.半衰期短

E.方法重复性好

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就地安装压力表在什么情况下应加装环形弯或U形冷凝弯?

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煅前针状石油焦挥发份%(m/m)含量为()。

A.6-12

B.3-10

C.6

D.10

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