试题与答案

4,下列与APC基因相关性较小的肿瘤是A.胃癌B.结肠癌C.胰腺癌黑色素瘤D.视网膜

题型:单项选择题

题目:

4,下列与APC基因相关性较小的肿瘤是

A.胃癌
B.结肠癌
C.胰腺癌黑色素瘤
D.视网膜母细胞瘤

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D解析: 在数据库的三级模式结构中,当模式改变时,由数据库管理员对外模式/模式映像做相应改变,可以使外模式保持不变。应用程序是依据数据的外模式编写的,因此应用程序也不必改变。保证了数据与程...

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题型:开放性试题

材料: 温 * * 在十届人大一次会议所作的《政府工作报告》指出,在全国城乡普遍实行免费义务教育。继续增加农村义务教育公用经费,提高保障水平。适当提高农村家庭经济困难寄宿生生活费补助标准。    2002-2007年全国财政教育支出情况

年份      支出情况(单位:亿元)

2002                3006.1

2003               3352.14

2004               3854.33

2005                4527.77

2006                 5464.27

2007                 7065.35

(1)材料说明了什么(2分)

(2)我国为什么要把教育摆在优先发展的战略地位?(4分

(3)看到上述材料,作为中学生的你打算怎么做(2分)

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