某化验员测定保证值为34.33mg/L的标样，测定结果分别是34.30，34.33，

中国古代常以左右来区分人或事物的远近尊卑。唐宋时期都是左官高于右官，到了元代，不但转变为以右官居上，而且发展到连科考取士也分左右榜，蒙古人列入右榜，汉人则在左榜。而到了明朝，又恢复了尚左的传统。据此得出的结论不正确的是　   　[     ]

A．左右观的变化具有时代特征   　

B．左右观与其民族文化相关   　

C．左右观的变化体现社会进步   　

D．左右观是等级社会的产物

下列方剂中，含有山莱萸、附子的是

A．地黄饮子

B．肾气

C．右归丸

D．回阳救急汤

体温恒定有利于动物的区域分布、生存和繁衍。下列动物中体温恒定的一组是

A．梅花鹿和蚯蚓

B．朱鹮和海豹

C．麻雀和螳螂

D．家鸽和蜥蜴

Henry Ford was the first person to build cars which were cheap，strong and fast．He was able to se11 millions of cars because he could produce them in large numbers at a time；that is，he made many cars of the same kind．Ford’s father hoped that his son would become a farmer，but the young man did not like the idea and he went to Detroit（底特律）where he worked as a mechanic（机械师）．By the age of 29，in 1892，he had built his first car．However，the car made in this way，the famous “ Model T ” did not appear until 1908. Five years ago, Ford started his great motor car factory．This kind of car showed to be well-known that it remained unchanged for twenty year．Since Ford’s time，this way of producing cars in large numbers has become common in industry and has reduced the price of many goods which would be very expensive．

小题1:Henry Ford was the man to built _____ cars．

A．cheap and strong

B．cheap and long

C．fast and expensive

D．strong and slow小题2:Ford was able to sell millions of cars，because_____．

A．he made many cars

B．his cars are many

C．he made lots of cars of the same kind

D．both A and B小题3:The young man became a mechanic，_______．

A．which was his father’s will

B．which was against his own will

C．which was against his father’s will

D．which was his teacher’s will小题4:The “ Model T ” was very famous_____．

A．before 1908

B．between 1982 and 1908

C．before 1892

D．after 1908小题5:Ford built his own car factory_____．

A．in 1903

B．in 1908

C．in 1913

D．in 1897

关于视网膜感光细胞的叙述，错误的是

A．存在视锥和视杆两种感光细胞

B．两种感光细胞均有感受光刺激的感光色素

C．中央凹处仅有视锥细胞

D．视锥细胞光敏感度高

E．视杆细胞分辨能力差