教学王维《使至塞上》时，教师要求学生积累与意象“雁”相关的诗句并简要赏析，以下说法有误的一项是（）

隧道开挖地表下沉作为必测项目的条件是（   ）。

两个正、负电荷周围电场线分布如图所示。 p、Q为电场中两点，则(  )。

某男，24岁。发际长有疖肿，此愈彼起，经久不愈，在朋友建议下服用五味消毒饮。一周后，肿略减轻，但伴发热、口渴、溲赤、便秘，舌苔黄，脉数。此时可建议患者加用（ ）

甲状腺梭形细胞癌多属于（）。

危重型哮喘或急性哮喘发作时，可能出现（    ）

龈沟液最常用的采集方法是（  ）

雄安新区是继深圳经济特区和上海浦东新区之后又一具有全国意义的新区，是千年大计、国家大事。其规划范围涉及(  )及其周边部分区域，地处北京、天津、保定腹地，区位优势明显。

盖髓术的原理如下 ，除外（ ）

Passage1

Do who choose to go on exotic，far-flung holidays deserve free health advice before they travel？And even if they pay，who ensures that they get good，up-to-date information？Who，for that matter，should collect that information in the first place？For a variety of reasons，travel medicine in Britain is a responsibility nobody wants.As a result，many travellers go abroad prepared to avoid serious disease.

Why is travel medicine so unloved？Partly there's an identity problem. Because it takes an interest in anything that impinges on the health of travelers ，this emerging medical specialism invariably cuts across the traditional disciplines. It delves into everything from seasickness，jet lag and the hazards of camels to malaria and plague. But travel medicine has a more serious obstacle to overcome. Travel clinics are meant to tell people how to avoid ending up dead or in a hospital when they come home，but it is notoriously difficult to get anybody pay out money for keeping people healthy.

Travel medicine has also been colonized by commercial interests; the vast majority of travel clinics in Britain are run by airlines or travel companies. And while travel concerns are happy to sell profitable injections, they may be less keen to spread bad news about travellers' diarrhea in Turkey, or to take time to spell out preventive measures travellers could take."The NHS finds it difficult to define travellers' health,"says Ron Behrens,"the only NHS consultant in travel and director of the travel clinic of the Hospital for Tropical Diseases in London."Should it come within the NHS or should it be paid for?"It's Gary area, and opinion is spilt. No one seems to have any responsibility for defining its role,"he says.

To compound its low status in the medical hierarchy, travel medicine has to rely on statistics that are patchy at best. In most cases we just don't know how many Britons contract diseases when abroad. And even if a disease linked to travel there is rarely any information about where those afflicted went, what they are, how they behaved, or which vaccinations they had. This shortage of hard facts and figures makes it difficult to give detailed advice to people, information that might even save their lives.

A recent leader in British Medical Journal argued."Travel medicine will emerge as credible disciplines only if the risks encountered by travellers and the relative benefits of public health interventions are well defined in terms of their relative occurrence, distribution and control."Exactly how much money is wasted by poor travel advice. The real figure is anybody's guess, but it could easily run into millions. Behrens gives one example. Britain spends more than £ 1 million each year just on cholera vaccines that often don't work and so give people a false sense of security."Information on the prevention and treatment of all forms of diarrhea would be a better priority," he says.

The phrase "delves into" in Paragraph 2 can be replaced by_______.

下列选项中关于行业成熟度四阶段特点的说法错误的是（）。