措施项目费的确定有哪几种方法？

在工程经济活动中，利息与利息率的作用体现在（）。

A．是以信用的方式筹集资金的动力

B．利息促进投资者加强经济核算

C．是宏观经济管理的重要杠杆

D．金融企业经营发展的重要条件

E．减少通货膨胀的冲击

在防护费用法中，假设对一个拟建飞机场进行噪声污染损失评价。由于机场附近住户为避免噪声污染，可选择迁居到一个较为安静的地区，或对房间设置隔声设备，两个方案都需要支付一定的费用，这些费用包括：①反映房主附加的价值或实际租金超过房屋市场价格的消费者剩余 S；②由噪声引起房产价格降低D；③搬迁费用只；④隔声的费用G，此时剩余噪声(原有噪声为N)为N''。则决定留下来并设置隔声设备的住户必然满足()。

A．S+D+R＜N＜G+N'

B．N＜G+N'＜S+D+R

C．G+N'＜N＜S+D+R

D．G+N'＜S+D+R＜N

完形填空（共10小题；每小题２分，满分20分）

阅读下面短文，掌握其大意，然后从21－30各题所给的ABC和D项中，选出最佳选项．

The finest and most sought-after violins were handcrafted by an Italian violin maker over 250 years ago. The man’s name was Antonius Stradivarius. He was born in 1644 and began his career  21  a violin maker’s apprentice (学徒). Working on his own by 1680, he became determined to make   22  that could reproduce tones as rich as those produced by the human voice. He  23    several shapes and styles for his violins until he arrived at a design that pleased him. During his career he crafted 1,100 violins. Those in   24  have become treasured possessions.

Unfortunately, the secret of the Stradivarius violin died with its maker. During his lifetime Stradivarius kept his notes safely   25  , even his two sons, who helped him in his workshop, did not know all the steps involved in each violin’s construction.

Through the years, many experts have offered    26  explanations for the unique tone of a “Strad”. Some say it is due to the violin’s shape. Others suggests that the secret    27  the special properties(特性) of the wood, which Stradivarius obtained from native Italian trees that no longer exist. The most widely accepted explanation is that it is created by the varnish（清漆） that the   28   used to coat his violins. Chemists have analyzed as closely as possible the varnish and have found its   29   has improved the sound of many violins.   30  , no other violin maker has been able to fully reproduce the tone of the Stradivarius’s violins.

21.  A. with                B. as             C. for             D. from

22.  A. Instruments    B. facilities            C. equipment     D. tools

23.  A. investigated     B. surveyed      C. tested          D. experimented

24.  A. fashion             B. existence        C. possession     D. use

25.  A. protected         B. buried        C. hidden        D. covered

26.  A. possible      B. accurate             C. detailed       D. persuasive

27.  A. brings in     B. takes in       C. results in      D. lies in

28.  A. master       B. violinist       C. expert          D. user

29.  A. attention            B. application    C. invention            D. foundation

30.  A. Additionally         B. Luckily        C. Therefore     D. Still

表1 2000年以来我国贸易差额分贸易方式情况
单位：亿美元

年份	贸易差额
		一般贸易	加工贸易	其他贸易
2000	241.09	51.02	450.94	-260.87
2001	225.45	-15.75	534.60	-293.40
2002	304.26	70.76	577.27	-343.77
2003	254.68	-56.66	789.14	-477.77
2004	319.46	-45.92	1062.47	-697.0
2005	1020.00	353.72	1424.53	-758.25
2006	1774.59	831.40	1888.82	-945.63

　　　　　　　　　　　　　　　　　　　　　　　　　　　表2 2000年以来各经营主体贸易差额情况

年份	国有企业	外商投资企业	集体、私营及其他企业
2000	175.31	21.70	44.11
2001	96.92	73.92	54.78
2002	83.73	97.31	123.22
2003	-44.20	84.74	215.58
2004	-227.99	141.58	407.68
2005	-283.90	566.96	735.74
2006	-338.95	912.19	1201.35

根据表格，以下说法正确的一项是( )。

A．2006年，我国加工贸易顺差额是贸易顺差总额的1.06倍

B．“十五”期间，我国的一般贸易持续顺差，且规模逐步扩大

C．2006年一般贸易实现顺差831.4亿美元，是上年的1.35倍

D．2006年国有企业贸易逆差达到339.0亿美元，比上年同期减少55.1亿美元

男性，40岁，阵发性血压高1年，经血、尿儿茶酚胺及其代谢物测定和其他相关检查不能完全排除嗜铬细胞瘤的诊断，有助于进一步诊断的是（）

A.24小时动态血压监测

B.基础代谢率测定

C.酚妥拉明试验

D.ACTH兴奋试验

E.美替拉酮试验