问题 单项选择题 A1/A2型题

下列关于呼吸道的结构和功能的叙述错误的是()

A.呼吸道以环状软骨为界分为上、下呼吸道

B.上呼吸道的主要功能是对吸入气体进行加温、湿化和机械阻拦

C.下呼吸道终止于呼吸性细支气管

D.气管于隆凸处分为左、右主支气管

E.黏液-纤毛运载系统和咳嗽反射均为上呼吸道的重要防御机制

答案

参考答案:E

解析:此题考查呼吸道的结构和功能特点。上、下呼吸道的分界为环状软骨;上呼吸道主要由鼻、咽、喉构成,其生理功能主要是对吸入气体的加温、湿化和机械阻拦作用;下呼吸道起自气管,终止于终末的呼吸性细支气管;黏液-纤毛运载系统和咳嗽反射均为下呼吸道的重要防御机制。

阅读理解

Edinburgh takes on Leinster in their Rugby Union match on Friday evening where it should be a dry night with some clear spells. It will feel chilly in the wind, with temperatures at the start of the match around only 6℃ (430F).

There will be some light rain on Friday afternoon for the races in Newbury. It will stay rather cloudy and will feel cold in the wind with a high of 8 ℃. But the weather will not be too much of a problem for the event.

A slow moving storm system spreads cloud, rain and colder weather across New York. This will be the case, not only tonight, but right through until Friday. Saturday the weather will start to change to a more spring pattern with mild and fine weather again on Sunday, when the biggest American football match kicks off.

Keep an umbrella handy.

A cold front will push eastward from Texas to the southern half of the Mississippi Valley by Friday evening. Strong two severe thunderstorms have already developed, from eastern Kansas and western Missouri southward to central and eastern Texas. All outdoor sports events will be impossible in these areas.

60. If you want to watch the Rugby match on Friday, you'd better       .

A. wear warm clothes and a raincoat       B. wear warm clothes

C. take an umbrella with you                  D. wear a sport suit

61. Which of the following statements is NOT true according to the passage?

A. There will not be any sports matches or races in central and eastern Texas because of the coming thunderstorm.

B. The weather will be fine when the football match starts in New York.

C. The races will continue in Newbury in spite of the rainy weather.

D. Mississippi Valley runs from north to south.

62. What can we learn from the passage?

A. Bad weather happens abruptly in New York.

B. The races in Newbury will be cancelled because of the weather.

C. 6 ℃ is a high temperature for the season when the match takes place.

D. Edinburgh and Leinster refer to two Rugby teams in the passage.

单项选择题