电力系统中因事故发生功率缺额时,应由()断开一部分次要负荷。 A.值班人员手动 B.

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问题:

电力系统中因事故发生功率缺额时,应由()断开一部分次要负荷。

A.值班人员手动

B.自动低频减载装置

C.自动低电压载装置

D.调度员命令

考点:电气工程师(供配电)变配电所控制、测量继电保护及自动装置变配电所控制、测量继电保护及自动装置题库
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中药煎煮时,一般要注意

A.加水量

B.浸泡及煎煮时间

C.煎煮火候

D.煎液量

E.特殊处理的饮片

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Is the ‘Go to College’ Message Overdone?

Even in a weak job market, the old college try isn’t the answer for everyone. A briefing paper from the Brookings Institution warns that “we may have overdone the message” on college, senior fellow Isabel Sawhill said.

“We’ve been telling students and their families for years that college is the only way to succeed in the economy and of course there’s a lot of truth to that,” Ms. Sawhill said. “On average it does pay off… But if you load up on a whole lot of student debt and then you don’t graduate, that is a very bad situation.”

One comment that people often repeat among the years of slow job growth has been the value of education for landing a job and advancing in a career. April’s national unemployment rate stood at 7.5%, according to the Labor Department. The unemployment rate for high-school graduates over 25 years old who hadn’t attended college was 7.4%, compared with 3.9% for those with a bachelor’s degree or more education. The difference is even bigger among those aged 16-24. The jobless rate for those with only a high school diploma in that age group is about 20%. At the same time, recent research by Canadian economists cautions that a college degree is no guarantee of promising employment.

Ms. Sawhill pointed out that among the aspects that affect the value of a college education is the field of one’s major: Students in engineering or other sciences end up earning more than ones who major in the arts or education. The cost of tuition and the availability of financial aid are other considerations, with public institutions generally a better financial bargain than private ones.

She suggested two avenues for improving the situation: increasing vocational(职业的)-technical training programs and taking a page from Europe’s focus on early education rather than post-secondary learning. “The European countries put a little more attention to getting people prepared in the primary grades,” she said. “Then they have a higher bar for whoever goes to college—but once you get into college, you’re more likely to be highly subsidized(资助).”

She also is a supporter of technical training—to teach students how to be plumbers, welders and computer programmers—because “employers are desperate” for workers with these skills.

小题1:People usually think that _____.

A.the cost of technical schooling is a problem

B.one will not succeed without a college degree

C.technical skills are most important for landing a job

D.there is an increased competition in getting into a college小题2:What does the underlined part “taking a page from” mean?

A.Hearing from.

B.Changing from.

C.Differing from.

D.Learning from.小题3:What can we infer from the passage?

A.Public institutions charge more for education.

B.European universities are stricter with students.

C.Students with certain skills are in great demand.

D.Canadian students prefer to major in engineering.小题4:Ms. Sawhill may probably agree that _____.

A.too much stress has been put on the value of college degrees

B.technical training is more important than college education

C.a college degree will ensure promising employment

D.it’s easier for art students to find favorite jobs

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下列属于主动脉关闭不全的周围血管征的是()

A.DeMusset征

B.Traube征

C.Mmler征

D.Duroziez征

E.Quincke征

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煨木香采用

A.面煨

B.滑石粉煨

C.纸煨

D.土煨

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药材茯苓的主产地是()

A.广东、广西、台湾

B.陕西、云南

C.四川、青海、西藏

D.安徽、云南、湖北

E.吉林、辽宁、黑龙江

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