齐次方程组的基础解系是()。 A.(-3,0,1,0)T,(2,-3,0,1)T B

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问题:

齐次方程组的基础解系是()。

A.(-3,0,1,0)T,(2,-3,0,1)T

B.k1(1,-2,1,0)T+k2(2,-3,0,1)

C.

D.(-3,4,1,-2)T,(3,-5,1,1)T

考点:在职联考GCT(数学)工程硕士(GCT)数学
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进入青春期后,身高每年可增长多少厘米?体重每年可增加多少千克[ ]

A、5-86-8

B、6-85-6

C、5-66-8

D、5-97-8

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在社会公众的强烈呼吁下,国务院下属98个部门中的绝大部分已向社会公开了他们的 “三公”经费(公车购置费、公务招待费、出国经费)及财政拨款情况,至此,中国的预算公开终于迈出了“从无到有”的一步。公众关注包括“三公”经费在内的财政预算公开,反映的是 [ ]

①“财政预算公开”是公民参与民主管理的主要途径     

②公民有了解公共事务的知情权     

③公民行使监督权有利于规范公共权力的行使     

④民意是政府科学决策的出发点

A、①②

B、②③

C、③④

D、②④

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脑梗死后CT出现低密度改变的时间一般是()

A.发病后即刻

B.发病后1周

C.发病后1月

D.发病后6h

E.发病后1~2天

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In the following passage, there are 20 blanks representing words that are missing from the context. Below the passage, each blank has 4 choices marked by letter A, B, C and D respectively. There is only ONE right answer. Blacken the corresponding letter as required on your Machine-scoring ANSWER SHEET.

How many of us would temp for three years while we waited for the perfect job Not many of us, perhaps. But Wentworth Miller, the "Prison Break" star, said he chose to wait even longer time (91) he found the right job.
"Actually I think it might have been three or four years until I was lucky enough to get guest (92) on TV shows," said Miller, 34, who rose to international stardom (93) to "Prison Break" in 2006. That kind of patience and p will was portrayed in "Prison Break". Miller (94) engineering wizard Michael Scofield, who tries everything to break out of a Chicago (95) with his brother. Miller said he was fond of his character, (97) he said "exists in shades of grey".
Miller comes from a (97) of teachers. He said he didn’t seem fated for a career in the arts, (98) his passion for acting. After (99) from Princeton with an English degree, he moved (100) his parents’ request to Los Angeles to look for a stable life. He started (101) in a little company that made television movies. This (102) simply faxing, filing, walking the boss’ dog and going to the store for the boss’ lunch. Every weekend during the summer, Miller (103) go to the office (104) he didn’t have air-conditioning. "I would hang (105) in the conference room and set up camp and rob the company kitchen," recalled Miller.
(106) , Miller realized he still had questions about his choice. He decided to quit. But the boss said he was making a mistake and offered him a well-paid assistant position. "I eventually (107) that if I did the corporate job, it would be great if I was successful, but I would always wonder about the (108) . If I did the acting and was successful, I would never wonder (109) that job," he explained. He quit and temped (110) many people in the entertainment industry.

A.However

B.Therefore

C.Thereby

D.Thereupon

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广州绕城高速公路新的编号是()

A、G15

B、G1501

C、G35

D、G45

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