电缆可以按其物理结构类型分类,目前计算机网络使用最普通的电缆类型有同轴电缆、双绞线和

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问题:

电缆可以按其物理结构类型分类,目前计算机网络使用最普通的电缆类型有同轴电缆、双绞线和______。

考点:计算机等级考试PC技术三级PC技术笔试11
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食管贲门失弛缓症与食管下段癌的鉴别要点是()

A.狭窄上方食管明显扩张

B.食管蠕动减弱或消失

C.狭窄段黏膜完整,管壁柔软

D.钡剂通过缓慢

E.扩张食管内出现液平

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下列哪项不是麦冬的适应症()。

A.肺阴不足或燥热之干咳痰粘、劳热咳嗽

B.胃阴虚或热伤胃阴之口渴咽干

C.热病伤津,肠燥便秘

D.肾阴不足,阴虚火旺之潮热盗汗

E.心阴虚或热扰心营之心烦不眠

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房地产开发商在郊区开发楼盘,由于道路的拥堵所导致的甲供材料不能按时到达施工现场。这种风险属于()。

A.恶劣现场条件带来的风险

B.经济风险

C.施工组织设计不合理带来的风险

D.人为风险

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流行病学的病因是指()

A.存在时必定引起疾病的因素

B.对疾病发生必不可少的因素

C.疾病发生机制中的生物因素

D.使得疾病发生概率升高的因素

E.引起疾病发生的诸多因素

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"Europe needs to import to export. " That is the slogan of the European Commission’s new strategy for securing its economic place in the world, unveiled this week by Peter Mandelson, the European Union’s commissioner for trade. The soundbite, of course, gets the economics precisely backwards: exports are the price a country must pay for its imports; Europeans toil away making stuff for others to consume only so they can in turn get their hands on the fruits of foreign labours.

But the slogan does capture two awkward truths European exporters must now confront. First, only by offering to open its own markets can the EU hope to persuade foreign countries to open theirs. But with the collapse of the Doha round of trade talks, it is not obvious to whom the Europeans should make their offers. Second, European companies are now part of elaborate global supply chains. Clumsy efforts to protect some of them from foreign competition deprive others of the cheap inputs they need to thrive in world markets.

The new trade strategy looks at both of these dilemmas, among others. Though Mr Mandelson insists that he remains wedded to multilateral negotiations at’the World Trade Organisation, he also fancies pursuing a bit on the side with other willing trade partners. The EU will pick its partners according to three criteria: do they offer a big, growing market Are they cutting deals with America or Japan And are they guilty of deterring European companies, either repelling them at the border with high tariffs, or bogging them down in cumbersome rules and regulations The strategy names ASEAN, South Korea, India and Russia as priorities, as well as two regional blocks, Mercosur and the Gulf Co-operation Council, that it is already courting. The EU will reveal its plans for China at the end of the month.

The strategy also proposes to look again at how the EU protects its own borders, because its favored weapons are prone to backfire. For example, EU ministers decided this week to slap antidumping duties on leather shoes from Vietnam and China, which threaten shoemakers in Italy, Portugal and Spain. But the duties are opposed by Europe’s own retailers and some of its sportswear makers. Letting Asian workers stitch and glue sports shoes makes it possible for such firms to employ Europeans to design and market them.

Mr Mandelson presented his strategy as a way to help the EU become more competitive. Opening up to foreign rivals is, of course, an excellent way to foster competition in cloistered domestic industries. A pity then that most of his concrete proposals were about conquering markets abroad, and that the EU is still so ready to raise its defences at home.

According to the Paragraph 1, how can Europeans get their hands on the fruits of foreign labours()

A. Europeans toil away making stuff for others to consume

B. Peter Mandelson unveiled new strategy for securing its economic place in the world this week

C. Slapping anti-dumping duties on other products from outside EU

D. Ask ask more foreign labours to work in EU

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