化学检验工必备的专业素质是（）。A.语言表达能力 B.社交能力 C.较强的颜色分辨能

下表所列的哪一项是错误的（　　）

A．A

B．B

C．C

D．D

Kofi Annan says helping survivors of last week’’s earthquake and (1)________in the Indian Ocean is (2)________. The United Nations secretary-general says countries that have offered aid must (3)________and provide it. The offers add up to around (4)________dollars. United Nations officials say (5) ________of that is needed during the next six months.The concern about offers of international aid is (6)________. For example, the earthquake in Bam, Iran, in (7)________of 2003 killed more than (8) ________people. Countries and groups offered hundreds of millions of dollars (9) ________. The United Nations says it has (10)________only about (11)________dollars in aid received so far. Governments and organizations that offered help (12) ________that, however.On (13)________Mr. Annan met with world leaders in Jakarta, Indonesia to discuss aid for (14)________. The leaders discussed and (15)________the idea of (16)________owed by affected nations. But the leaders did not say they would do so. Some said that (17)________to survivors would be more helpful.Representatives of (18)________countries and international organizations attended the meeting in Jakarta. Officials say they will cooperate to develop (19)________ for the Indian Ocean and the (20)________.

韩-薛-柯病的主要临床表现（）

A.出血

B.骨质缺损、突眼

C.皮疹

D.尿崩、生长迟缓

E.尿VMA增高

下列关于公司财务报表分析的说法，正确的是（）。

A．速动比率=速动资产/流动负债，反映公司短期偿债能力，一般认为，速动比率为2比较合适 

B．资产负债率=负债总额/资产总额，反映公司长期偿债能力，对公司股东来说，资产负债率越高，越能带来超额回报 

C．净资产收益率反映公司的盈利能力，杜邦分析法将净资产收益率分解为销售净利率、资产周转率和财务杠杆的乘积 

D．总资产周转率=资产平均余额/销售收入，反映公司的经营效率，总资产周转率越高，表明总资产的利用效果越好

长沙市政府首次公布的历史文化街区是哪个？