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问题 单项选择题 A1/A2型题

用ELISA双抗体夹心法检测血清中甲胎蛋白（AFP），应选择的固相包被物是（）。

A.纯化AFP

B.酶标记AFP

C.荧光标记AFP

D.免疫血清

E.抗AFP抗体

答案

参考答案：E

填空题

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 Barn, 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) .
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不定项选择

依据宪法和法制，应当向全国人民代表大会报告工作的国家机关有( )。

A． 最高人民检察院

B．中央军事委员会

C．国家 * *

D．最高人民法院

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