问题 单项选择题

Some of the concerns surrounding Turkey’s application to join the European Union, to be (1) on by the EU’s Council of Ministers on December 17th, are economic--in particular, the country’s relative poverty. Its GDP per head is less than a third of the average for the 15 pre-2004 members of the EU. (2) it is not far off that of Latvia--one of the ten new members which (3) on May 1st 2004, and it is much the same as (4) of two countries, Bulgaria and Romania, which this week concluded (5) talks with the EU that could make them full members on January 1st 2007.

(6) , the country’s recent economic progress has been, according to Donald Johnston, the secretary-general of the OECD, stunning. GDP in the second quarter of the year was 13.4% higher than a year earlier, a (7) of growth that no EU country comes close to (8) . Turkey’s (9) rate has just fallen into single figures for the first time since 1972, and this week the country (10) agreement with the IMF on a new three-year, $10 billion economic program that will help Turkey (11) inflation toward European levels, and enhance the economy’s resilience.

Resilience has not historically been the country’s economic p point. (12) , throughout the 1990s growth oscillated like an electrocardiogram (13) a violent heart attack. This (14) has been one of the main reasons why the country has failed dismally to attract much-needed foreign direct investment. Its stock of such investment is lower now than it was in the 1980s, and annual (15) have scarcely ever reached $1 billion.

One deterrent to foreign investors is due to (16) on January 1st 2005. On that day, Turkey will take away the right of virtually every one of its citizens to call themselves a millionaire. Six zeros will be removed from the face value of the lira (里拉,土耳其货币单位); one unit of the local (17) will henceforth be worth what 1 million are now--ie, about £ 0.53 (0.53 欧元). Goods will have to be (18) in both the new and old lira for the whole of the year, (19) foreign bankers and (20) can begin to look forward to a time in Turkey when they will no longer have to juggle mentally with indeterminate strings of zeros.

7()

A.ratio

B.rate

C.rhythm

D.rhyme

答案

参考答案:B

解析:

[解题思路] 名词辨析。ratio意为“比率”;rate意为“速度”;rhythm意为“节奏”;rhyme意为“韵律”。此处指土耳其经济发展的速度,rate符合题意。

单项选择题
实验题

(14分)三草酸合铁酸钾晶体K3[Fe(C2O4)3]·3H2O可用于摄影和蓝色印刷。某小组将无水三草酸合铁酸钾在一定条件下加热分解,对所得气体产物和固体产物进行实验和探究。请利用实验室常用仪器、用品和以下限选试剂完成验证和探究过程。

限选试剂:浓硫酸

A.1.0 mol·L-1HNO3

B.1.0 mol·L-1盐酸

C.1.0 mol·L-1 NaOH

D.3%H2O2(E)、 0.1mol·L-1KI(F)、 0.1 mol·L-1CuSO4(G)、 20%KSCN(H)、澄清石灰水(I)、氧化铜(J)、蒸馏水(K)。(1)要验证产物中有CO2、CO存在的试剂________应选(按先后顺序把所选试剂的代号字母填入空格内。)

(2)该小组同学查阅资料后推知,固体产物中,铁元素不可能以三价形式存在,而盐只有K2CO3。验证固体产物中CO32-的方法是                    

(3)固体产物中铁元素存在形式的探究。

固体产物中铁元素存在形式的探究。

①提出合理假设;假设1:只有Fe;假设2:只有FeO;假设3:FeO和Fe。

②设计实验方案证明假设

步骤1:取适量固体产物于试管中,加入足量蒸馏水,充分振荡使碳酸钾完全溶解。分离不溶固体与溶液,用蒸馏水充分洗涤不溶固体。

步骤2:将步骤1中的不溶固体产物加入1.0mol·L-1盐酸中。

步骤3:将步骤1中的不溶固体产物加入足量的0.1 mol·L-1CuSO4中充分反应后过滤、洗涤后,将沉淀物溶于1.0 mol·L-1盐酸,再加入20%KSCN,最后加入3%H2O2

③实验过程(填写下表的空格)

实验步骤预期现象与结论
步骤1:取适量固体产物于试管中,加入足量蒸馏水,充分振荡使碳酸钾完全溶解。分离不溶固体与溶液,用蒸馏水充分洗涤不溶固体固体产物部分溶解
步骤2:向试管中加入适量硫酸铜溶液,再加入少量将步骤1中的不溶固体,充分振荡(1)若蓝色溶液颜色及加入的不溶固体无明显变化,则假设           成立。

(2)若蓝色溶液颜色明显改变,且有暗红色固体生成.则证明有     存在。

步骤3:继续步骤2中的(2),进行固液分离,用蒸馏水洗涤固体至洗涤液无色。取少量固体于试管中,滴加过量HCl,静置,取上层清液,滴加适量H2O2,充分振荡后滴加KSCN结合步骤2中的(2):

(1)若溶液基本无色,则假设(1)成立

(2)若           ,则假设     成立