2. 外语
  3. In most countries a PhD is a basic requirement for a career in academia. It is a(n) 【C1】______to the world of independent resear

In most countries a PhD is a basic requirement for a career in academia. It is a(n) 【C1】______to the world of independent resear

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问题     In most countries a PhD is a basic requirement for a career in academia. It is a(n) 【C1】______to the world of independent research — a kind of intellectual【C2】______, created by an apprentice in close collaboration with a(n) 【C3】______. The requirements to complete one【C4】______enormously between countries, universities and even【C5】______. Some students will first have to spend two years working on a【C6】______degree of diploma. Some will receive a stipend; others will【C7】______their own way. Some PhDs【C8】______only research, some require【C9】______and examinations and some require the student to teach undergraduates. A(n) 【C10】______can be dozens of pages in mathematics, or many hundreds in history. As a result, newly minted PhDs can be as young as their【C11】______20s or world-weary forty-【C12】______.
    One thing many PhD students have in【C13】______is dissatisfaction. Some describe their work【C14】______"slave labor". Seven-day weeks, ten-hour days, low pay and uncertain【C15】______are widespread. You know you are a graduate student,【C16】______one quip, when your office is better decorated than your home and you have a favorite flavor of【C17】______noodles. "It isn’t graduate school itself that is discouraging," says one student, who confesses to rather enjoying the hunt for free pizza. "What’s discouraging is realizing the end point has been pulled out of reach."
    Whining PhD students are nothing new, but there seem to be genuine problems【C18】______the system that produces research doctorates(the practical "professional doctorates" in fields such as law, business and medicine have a more obvious value). There is an oversupply of PhDs. Although a doctorate is【C19】______as training for a job in academia, the number of PhD positions is【C20】______to the number of job openings.
【C16】
选项 A、going
B、goes
C、has gone
D、go
答案B
解析 空白处说“有这么个讽刺：当你工作的办公室装修得比你家漂亮时，当你端起一碗泡面的时候，你就知道自己是一名博士生了”。句子中包含宾语从句。主句中缺少谓语，因此可以排除A。主语为单数第三人称，故排除D。而这里只是陈述一个事实，因此用一般现在时即可。因此，B选项为正确选项。
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