社会生活中有竞争,更有合作。简述合作的意义。

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问题:

社会生活中有竞争,更有合作。简述合作的意义。

考点:思想道德修养与法律基础思想道德修养与法律基础题库
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先化简再求值:-
1
2
-2(a-
1
2
b2)-(
3
2
a-
1
3
b2)
,其中a=-2,b=
3
2
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Beijing: The United States and North Korea had their first (1) in four months here this afternoon as part of the (2) negotiations on how to end North Korea’s nuclear program, but diplomats played clown prospects for (3) . The talks are at the Diaoyutai (4) , a sprawling, garden-filled (5) in western Beijing, with negotiators gathering around a giant hexagonal table built to (6) the six delegations. The Chinese placed the Americans and the North Koreans in (7) , which may have facilitated the (8) between Mr. Kelly and Mr. Kim, which took place (9) in the afternoon session. The two spoke for 30 minutes, two Asian diplomats (10) . The early indications of how the talks are going (11) . A South Korean who took part in the meetings described North Korea as "willing to (12) through dialogue." Chinese officials also put a (13) on the talks. "I heard talks this morning and this afternoon were very successful," the Foreign Minister, Li Zhaoxing, told delegates (14) . But Japanese and Russian participants were (15) . The Russian (16) , Aleksandr Losyukov, described the negotiations as (17) . "So far, the countries have put forward a number of (18) , which are (19) the development of these talks," he told Russian reporters in Beijing. "I would not say that I am feeling (20) ."

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根据《建设工程工程量清单计价规范》(GB 50500—2008)的规定,墙、柱面工程中的( )的工程量应按设计图示框外围尺寸以面积计算。

A.柱面镶贴块料

B.墙饰面

C.带骨架幕墙

D.零星镶贴块料

E.隔断

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煮沸消毒时,为提高沸点达到105℃,促进杀灭芽胞,防止金属器皿生锈,一般在水中力口入

A.5~10g/L碳酸氢钠
B.10~20g/L碳酸氢钠
C.10~15g/L碳酸氢钠
D.15~20g/L碳酸氢钠
E.20~30g/L碳酸氢钠

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棉花是目前国家批准种植的转基因作物,请问,转基因棉花种子销售时,标签还应加注哪些内容?

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