环境因子具有综合性和可调剂性，它包括生物有机体以外的（）。

有关下图中甲、乙、丙、丁四地的叙述，可信的有 ①甲地区石油输往西欧，必须经过马六甲海峡 ②乙地区居民多为黄种人，信奉佛教 ③丙地区是世界上天然橡胶、油棕、椰子等热带经济作物的重要产地 ④丁地区有许多古老的动物，象袋鼠、鸭嘴兽等

A．①②

B．②③

C．③④

D．①③④

胶原的生物合成初始酶为（）。

A.赖氨酸羟化酶

B.赖氨酸氢化酶

C.羟基端内肽酶

D.氨基端内肽酶

E.胶原酶

一元线性回归模型的形式为( )。

A．y=a+bx+e

B．y=a+x+e

C．y=ax+b+e

D．y=a+bx

某债券的面值为100元，剩余期限2年，每半年付息一次，每次付息5元，同类债券的必要年收益率始终为10%。那么，（）。

A．按单利计算的该债券的票面利率为10%

B．按单利计算的该债券的当前合理价格介于101.10元至101.20元之间

C．按复利计算的该债券的当前合理价格等于100元

D．按复利计算的该债券的当前合理价格介于84.10元至84.20元之间

E．按复利计算的该债券的当前合理价格小于96.50元

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。

（16）（）

A.delivered

B.denoted

C.depicted

D.defined