问题 单项选择题

关于喉软骨的组合,错误的是

A.甲状软骨——由左、右板组成,构成喉的前外侧壁

B.环状软骨——对保持呼吸道畅通极为重要

C.会厌软骨——位于喉入口的前方

D.杓状软骨——吞咽时关闭喉口,防止食物深入喉腔

E.环杓关节——杓状软骨底与环状软骨板上缘构成

答案

参考答案:D

解析:会厌软骨位于喉入口的前方,吞咽时关闭喉口,防止食物深入喉腔,而杓状软骨不具有这一功能。

选择题
单项选择题

Many foreigners who have not visited Britain call all the inhabitants English, for they are used to thinking of the British Isles as England. (1) , the British Isles contain a variety of peoples, and only the people of England call themselves English. The others (2) to themselves as Welsh, Scottish, or Irish, (3) the case may be; they are often slightly annoyed (4) being classified as "English".

Even in England there are many (5) in regional character and speech. The chief (6) is between southern England and northern England. South of a (7) going from Bristol to London, people speak the type of English usually learnt by foreign students, (8) there are local variations.

Further north regional speech is usually " (9) " than that of southern Britain. Northerners are (10) to claim that they work harder than Southerners, and are more (11) They are open-hearted and hospitable; foreigners often find that they make friends with them (12) Northerners generally have hearty (13) : the visitor to Lancashire or Yorkshire, for instance, may look forward to receiving generous (14) at meal times.

In accent and character the people of the Midlands (15) a gradual change from the southern to the northern type of Englishman.

In Scotland the sound (16) by the letter "R" is generally a p sound, and "R" is often pronounced in words in which it would be (17) in southern English. The Scots are said to be a serious, cautious, thrifty people, (18) inventive and somewhat mystical. All the Celtic peoples of Britain (the Welsh, the Irish, the Scots) are frequently (19) as being more "fiery" than the English. They are (20) a race that is quite distinct from the English. (289 words)

Notes: fiery 暴躁的,易怒的。

(4)()

A.with

B.by

C.at

D.for