陈独秀说“吾国之维新也，复古也，共和也，帝制也，皆政府党与在野党之所主张抗斗，而国民若观对岸之火，熟视而无所动心。”为此，他认为首先要做的事情是

随着人类改造自然能力的不断增强，人类对地球家园造成的破坏性影响也越来越严重，人们通过“地球日”“地球一小时”等活动唤醒公众的环保意识，是因为①环境的人为恶化有一个从逐渐量变到根本质变的演变过程 ②环境的人为恶化是一个不可逆的从量变到质变的发展过程 ③环境的改变是人类不断征服自然地从量变到质变的过程 ④环境的改变是人与自然和谐相处的从量变到质变的过程

He cut off the electricity immediately he found the dangerous situation, thus ____ a fire accident.

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    What brings a nation together? Of the four choices — shared values, language, history, and religion, it's shared values. In our latest poll (民意调査), seven out of 16 countries chose values as the greatest factor (因索）bringing a nation together, and six preferred language. Both choices scored high in the poll, suggesting that our values and how we express them are closely linked Still, history was not forgotten in some countries, particularly in Mexico and Russia. Even Canada and the United States chose national histories as the second-most important factor uniting their people. The biggest surprise? Not one country picked religion as its top choice.

Respect your elders In most countries, the oldest generation considered values more important to a nation than did those who are under 45 years old.

Do you speak Canadian? Language scored lower in Canada than in all other countries polled, perhaps because the country speaks two official languages, French and English.

Church and state Most people polled do not connect their religious beliefs to their national pride. Religion ranked last in 13 countries — with France scoring it at 1%, the lowest of all.

----Young people shouldn’t always change their jobs.
　　 -----_____________. Young people should seek for more challenges.