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External link to. This looks like a nice little Peugeot…. Advertisement - Page continues below. And what exactly is this concept? Wow, the Promethee really didn't look like the Were there any concept car touches? What was the Promethee like inside? What was under the bonnet? Concept News. Turn on JavaScript to see all related content. You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser. Thread starter For learning english Start date Jun 6, For learning english Member Mandarin.

Hi all, can anyone tell me if the following sentences are the same? Why didn't you try out the dress? Why you didn't try out the dress? By , Mexico was exporting wheat instead of importing it. But even Borlaug acknowledged that increasing yields would not be a permanent solution.

Around the first Earth Day, environmental scientists made dire predictions about pollution. When the synthetic pesticide DDT caused bird populations to plummet, as Rachel Carson documented in Silent Spring , there were no market incentives to reverse that trend.

An increase in lead poisoning or asthma creates a market for medicines and treatment, but not for decreasing the pollutants that cause them. And so on that first Earth Day, people fighting oil spills, power plant pollution, pesticides and litter protested in the streets. The government responded to public outcry, activism and the collective predictions of the era by creating our most powerful environmental laws—the Clean Air Act, the Clean Water Act, the Endangered Species Act and others.

And the regulations have worked. After DDT was banned in , populations of bald eagles and other birds rebounded. In the late s, 88 percent of American children had elevated lead levels in their blood; after leaded gasoline was phased out, that number dropped to less than 1 percent.

Pollutants continue to cause problems; the horrific case of lead poisoning in Flint show that regulations are not perfect solutions. But those predictions and the resulting activism during the first Earth Day drove change. This is evident in the loudest parts of the climate change discussion.

Extremists on one side are certain the world is going to end; extremists on the other are certain everything is fine and climate change is a conspiracy. Active 4 years, 6 months ago. Viewed 25k times. Improve this question. Why did not he come to work? The third and fourth questions are both ungrammatical; they need subject-auxiliary inversion. The first question is correct, but the second question is ungrammatical; the reason is explained here.

Add a comment. Active Oldest Votes. In essence, we have a number of rules simplified here so as not to go too far into syntactic theory : The subject should appear before the verbal phrase which includes the auxiliary verb, the lexical verb, adverbs and the direct and indirect objects.

John has come to school - John has not come to school.