最薄的金箔的厚度为0.000000091m,用科学记数法表示为m

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问题:

最薄的金箔的厚度为0.000000091m,用科学记数法表示为        m

考点:有理数的混合运算有理数除法有理数的乘除混合运算有理数的乘方
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乳腺癌在病理上恶性程度最大的是()

A.腺样囊性癌

B. * * 湿疹样癌

C.炎性乳腺癌

D.导管内癌

E.小叶原位癌

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阅读下面短文,然后根据括号内所给汉语意思写出单词的正确形式(每空一词)。

When I was young and free, I   61 (梦想)of changing the world. As I  62 成长)older and wiser, I discovered the world would not change,   63 (因此)I shortened my sights and  64 (决定)to change only my country. But it, too, seemed   65 (不可能).Later, I settled for  66 (改变)only my family , those closest to me, but also, they would have none of it. And now as I   67 (躺)on my deathbed, I suddenly   68  (意识): If I had only changed   69 (我)first, then by example I would have changed my family.  70 (从)their inspiration and encouragement, I would then have been able to better my country and, who knows, I possibly have been changed the world.

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主要管理人员应参与( )。

A.系统规划

B.系统设计

C.系统分析

D.系统开发和运行全过程

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外立杆

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较早将“角色”一词用于社会心理学的是米德。

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