下图为安第斯山北段的植被垂直带示意图，读图回答下列问题。 （1）垂直带谱包括起始

Kofi Annan says helping survivors of last week’ s earthquake and (1) . in the Indian Ocean is (2) . The United Nations secretary-general says countnes that have offered aid must (3) and provide it. The offers add up to around (4) dollars. Unitd 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) .

前列腺上皮细胞

A．睾丸生精细胞
B．睾丸间质细胞
C．睾丸支持细胞
D．卵母细胞
E．卵泡颗粒细胞

张力性气胸致死的主要原因是（）

A.极度疼痛

B.气管移位

C.反常呼吸

D.皮下气肿

E.严重缺氧

结构效度的验证的步骤一般包括（）。

A.提出有关理论结构的说明，并据此设计测量用的试题

B.提出可以验证该理论结构是存在的假设说明

C.采用各种方法收集实际的资料，以验证第二步提出的假设的正确性

D.收集其他类型的辅助证据，淘汰与理论结构相反的试题，或是修正理论

急性炎时，从血管内渗出的炎性能细胞主要有：（）

A.嗜酸性白细胞

B.嗜中性白细胞

C.嗜硷性白细胞