问题 选择题

以2010年诺贝尔化学奖获得者的名字命名的赫克反应、根岸反应和铃木反应已成为化学家们制造复杂化学分子的“精致工具”,在科研、医药和电子等领域已经广泛应用。下例生成物就是由铃木反应合成出来的一种联苯的衍生物:(  )

下列叙述正确的是                                    (   )

A.该反应为加成反应,且原子利用率达100%

B.该联苯的衍生物属于芳香烃

C.该联苯的衍生物苯环上的一硝基取代产物有5种

D.该联苯的衍生物不可使溴水褪色

答案

答案:C

分析:A.溴原子被另一个苯环上的基团取代;

B.芳香烃中只有一个苯环;

C.根据对称来分析一硝基取代;

D.该物质中含有醛基,能被溴水氧化.

解:A.溴原子被另一个苯环上的基团取代,则发生的是取代反应,故A错误;

B.芳香烃中只有一个苯环,该物质中含有两个苯环,则不属于芳香烃,故B错误;

C.由对称可知一硝基取代有,一硝基取代产物有5种,故C正确;

D.该物质中含有醛基,能被溴水氧化,则该联苯的衍生物可使溴水褪色,故D错误;

故选C.

阅读理解

阅读理解.

     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 everyone and with prices at just £129, it's great value too.

     Your break begins with executive coach(长途公共汽车)transfer(中转)from

regional pickup points and travel to Paris is via cross-channel ferry(渡船), arriving

at your hotel in the evening. The hotel is an excellent quality one with private facilities

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 coach takes you on

a comprehensive sightseeing tour of the city, during which you will see the Eiffel

Tower(艾菲尔铁塔), Champs Elysees(爱丽舍宫), L'Arc de Triomphe(凯旋门),

the Louvre(罗浮宫), and in fact almost every famous landmark you will ever have

heard of. You then leave Paris and take a short drive to the magnificent Palace

of Versailles(凡尔赛宫), 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. In the

evening there is a "Paris By Night" tour showing you the beautiful buildings with

bright lights.

     Day three takes you to Montmartre(蒙马特尔高地), perhaps the most pictures

que of Paris and home of the Saere Coeur(圣心堂) and the Moulin Rouge(红磨坊).

In the afternoon voyage on the River Swine, wander around the picturesque gardens

or look through among the antique shops. In the evening you will have the opportunity

to visit the best nightclub in the city, the splendid Paradis Latin. On the final day it's

back to the U.K. via channel ferry.

     Included in the price of £129 per person

     Return executive coach travel to Paris

     Return ferry crossings

      3 nights accommodation 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 Chateau of Versailles(凡尔赛城堡)(admission not included)

     Tour on Montmartre

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

1. This advertisement is mainly ____.

A. to tell tourists the route to Paris

B. to show the price of traveling to Paris

C. to introduce the city of Paris

D. to attract tourists to Paris

2. During the stay in Paris, the tourists will ____.

A. have a free time of half day

B. have a "Paris By Night" on the first evening

C. have a pleasure voyage on the River Swine together

D. live in a hotel two miles away from Paris

3. After paying £129, the tourists will have to pay ____.

A. the continental breakfasts

B. tour on Montmartre

C. admission ticket to Chateau of Versailles

D. services of a bi-lingual tour guide

单项选择题