在这些“民告官”案件的审理过程中,行政机关败诉率较高。这说明[ ] ①行政机关的

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问题:

在这些“民告官”案件的审理过程中,行政机关败诉率较高。这说明[ ]

①行政机关的行政行为亟待进一步规范 ②行政机关的执法水平有待进一步提高 ③行政机关依法行政的意识亟待加强 ④行政机关是管理国家行政事务的机关

A.①②③

B.②③④

C.①②④

D.①③④

考点:依法行政政府权力接受监督
题型:选择题

染色体畸变分析试验的遗传学终点为()

A.DNA完整性改变

B.DNA交换或重排

C.DNA碱基序列改变

D.染色体完整性改变和染色体分离异常

E.DNA损伤

题型:选择题

1955年7月,哪一娱乐场所的建成开放,为游客提供了一个自由自在的游玩场所[ ]

A、好莱坞游乐场

B、迪斯尼乐园

C、电影院

D、歌舞厅

题型:选择题

If the Harry Potter books stand as the essential popular reading for young people, then The Da Vinci Code has captured the crown for grown-ups. With its controversial mix of storytelling and reasoning, the novel remains high on best-seller lists even as it begins its third year since publication. Twenty-five million books, in 44 languages, are in print worldwide and no end is in sight. Booksellers expect The Da Vinci Code to remain a best-seller well into 2005. The unusual success of The Da Vinci Code has been helped by wide access, with the book on sale everywhere from Wal-Mart to airports to supermarkets. The Da Vinci Code has also thrived during a time when both literary and commercial novels struggled, when a tight economy, competition from other media and election-year tensions drove the public to nonfiction works or away from books altogether. Publishers and booksellers say Brown’s novel has worked by combining narrative (叙述) excitement and disputed historical detail.

题型:选择题

如图是乳牛自动喂水的装置图。在连接浮球横杆的A点顶柱上端装有密封垫,当横杆处于水平时恰好能堵住自来水管口。

(1)这套喂水装置应用了哪些物理知识?(至少写出三点)

(2)浮球的最小体积是设计时要考虑的重要参数,为此需要知道和测量哪些物理量?用字母表示各物理量,推导出浮球最小体积的表达式。(横杆、顶柱所受的重力和体积忽略不计)

题型:选择题

进入卷式反渗透装臵的水,必须经过较为严格的预处理,使其余氯小于()。

A、0.3

B、0.2

C、0.1

D、0.05

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