下列各组气候类型中只受单一气压带或风带控制的是______。 A．热带雨林气候、热带

两个数的最小公倍数是240，最大公约数是12，已知其中一个数是60，另一个数是______．

颈动脉粥样硬化狭窄程度分级，以下正确的为（）

A.0~49%为轻度狭窄

B.50%~69%为中度狭窄

C.70%~99％为重度狭窄

D.100%为完全闭塞

E.以上都对

炸药爆炸对周围介质（例如岩石）产生的破坏能力，分别以猛度与爆力来表示。猛度和爆力的单位分别是（）。

A.毫升和毫米

B.米和立方米

C.立方米和米

D.毫米和毫升

在项圈藻细胞中因为存在有（）所以能产NADPH2。

A.光合系统1

B.光合系统2

C.A、B都有

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。

（8）（）

A.who

B.when

C.though

D.for