Antarctica's harsh natural conditions constitute huge obstacles to the exploitation of its resources.

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Antarctica’s harsh natural conditions constitute huge obstacles to the I exploitation of its resources．
南极洲恶劣的自然条件对其资源的开发造成了巨大的阻碍。
由题干关键词huge obstacles定位到原文画线处。
[H]段第一句提到，除了南极条约，开发这些资源也面临着一些其他的巨大阻碍，比如可能会危及近海平台的漂移冰山。题于中的harsh natural conditions指的是定位段中提到的drifting icebergs that could jeopardise offshore platforms及之后提到的暴风、温度等问题；题于中的exploitation of its resources对应原文中的tapping these resources，故答案为[H]。

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3 Questions are based on the following passage.
Any veteran nicotine addict will testify that fancy packaging plays no role in the decision to keep smoking. So, it is argued, stripping cartons of their branding will trigger no mass movement to quit.
But that isn't why the government--under pressure from cancer charities, health workers and the Labour party--has agreed to legislate for standardised packaging. The theory is that smoking should be stripped of any appeal to discourage new generations from starting in the first place. Plain packaging would be another step in the reclassification of cigarettes from inviting consumer products to narcotics (麻醉剂).
Naturally, the tobacco industry is violently opposed. No business likes to admit that it sells addictive poison as a lifestyle choice. That is why government has historically intervened, banning advertising, imposing health warnings and punitive ( 惩罚性的) duties. This approach has led over time to a fall in smoking with numbers having roughly halved since the 1970s. Evidence from Australia suggests plain packaging pushes society further along that road. Since tobacco is one of the biggest causes of premature death in the UK, a measure that tames the habit even by a fraction is worth trying.
So why has it taken so long? The Department of Health declared its intention to consider the move in November 2010 and consulted through 2012. But the plan was suspended in July 2013. It did not escape notice that a lobbying firm set up by Lynton Crosby, David Cameron's election campaign director, had previously acted for Philip Morris International. (The prime minister denied there was a connection between his new adviser's outside interests and the change in legislative programme.) In November 2013, after an unnecessary round of additional consultation, health minister Jane Ellison said the government was minded to proceed after all. Now we are told Members of Parliament (MPs) will have a free vote before parliament is dissolved in March.
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The government has moved reluctantly into a sensible public health policy, but with such obvious over-cautiousness that any political credit due belongs to the opposition. Without sustained external pressure it seems certain Mr. Cameron would still be hooked on the interests of big tobacco companies.
What do chain smokers think of cigarette packaging?

A．Fancy packaging can help to engage new smokers.

B．It has little to do with the quality or taste of cigarettes.

C．Plain packaging discourages non-smokers from taking up smoking.

D．It has little impact on their decision whether or not to quit smoking.

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