问题 单项选择题

细胞内含物中黏液的鉴别试剂为

A.碘试液

B.硝酸汞试液

C.苏丹Ⅲ试液

D.90%乙醇

E.钌红试液

答案

参考答案:E

解析: 细胞内含物性质的鉴别,类似的还有淀粉粒用碘试液,糊粉粒用硝酸汞试液,脂肪油、挥发油或树脂用苏丹Ⅲ试液,菊糖用萘酚硫酸试液,草酸钙结晶用硫酸或稀醋酸和稀盐酸,碳酸钙结晶(钟乳体)用稀盐酸,硅质用硫酸。

阅读理解

C

Paris in the springtime was , is and always will be , something rather special . Why not experience it for yourself with this excellent break for four days ? This attractive city has something to offer to everyone and with prices at just £129.

Your break begins with comfortable bus transfer (运送) from local pick-up points and travel to Paris is via cross-channel ferry , arriving at your hotel in the evening . The Ibis is an excellent quality hotel with private equipments in all rooms : satellite TV, radio , telephone and alarm clock . It has a bar and restaurant and is situated about two miles south of Notre Dame enabling you to explore Paris with ease .

The following day , after continental breakfast (included), the bus takes you on a comprehensive sightseeing tour of the city , during which you will see the Eiffel Tower , Champs Elysees , L’Arc de Triomphe , the Louvre ,in fact almost every famous landmark you have ever heard of . You then leave Paris and take a short drive to the magnificent Palace of Versailles , the home of Louis XIV. The tour ends mid-afternoon back in Paris where you will have the remainder of the day at your leisure (闲暇). In the evening there is a “ Paris by Night” tour showing you the beautiful buildings with bright lights .

Day three takes you to Montmarter , Perhaps the most attractive quarter of Paris and home of the Sacre Coeur and the Moulin Rouge . In the afternoon you are free to explore this beautiful city as you wish , perhaps a pleasure voyage on the River Seine , wander around the beautiful gardens or look among the antique shops (古董店). In the evening you will have the opportunity to visit the best nightclub in the city , the splendid Paradis Latain . On the final day it’s back to the UK via channel ferry .

Included in the price of £129 per person :

●Return comfortable bus travel to Paris

●Return ferry crossings

●3 nights housing in a twin bedded room in a Central Paris hotel with private facilities

●Continental breakfast during your stay

●Guided sightseeing tour of “Paris by Day” and Paris by Night”

●Visit to the Chateau of Versailles (admission not included )

●Tour around Montmartre

●Services of experienced bi-lingual tour guide at all times

63.What is the purpose of this passage ?         

A.To show the price of traveling to Paris .   B.To tell tourists the routs to Paris .

C.To introduce the city of Paris .                     D.To attract tourists to Paris .

64.During the stay in Paris , the tourists will         .

A.have a “Paris by Night” tour on he first evening

B.live in a hotel two miles away from Paris

C.have free time for half a day

D.have a pleasure voyage on the River Seine together

65.What does the underlined word quarter mean in the passage ?

A.An area of a town .

B.A period of 15 minutes .

C.A coin used in the US and Canada worth 25 cents .

D.One of four equal parts into which something ca be divided .

66.According to the passage , which of the following is true ?

A.The Palace of Versailles is not in the center of Paris .

B.Te tourists can telephone in the Ibis without paying .

C.It will take you a long time to got to Montmartre from Paris.

D.The tourists will spend the night in the antique shops on the third day .

填空题