肠套叠的三大典型症状是A.血便、腹部肿块、发热 B.腹痛、脓血便、发热 C.腹痛、血

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问题:

肠套叠的三大典型症状是

A.血便、腹部肿块、发热

B.腹痛、脓血便、发热

C.腹痛、血便、里急后重

D.腹痛、血便、腹部肿块

E.腹痛、发热、黄疸

考点:普通考研西医综合西医综合
题型:单项选择题

       近代百年的中国历史,是一部西方列强侵华史,更是一部中国人民抗争与探索的历史。南京作为近代中国的政治中心之一,见证了这段历史的风风雨雨。请你写出近代以来发生在南京的三件历史大事,并就其中一件进行评价。

                                                                                                                                                           

                                                                                                                                                           

                                                                                                                                                           

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某市财政局下设若干处室,在局机关中不是宣传处的有206人,不是会计处的有177人,已知宣传处与会计处共有41人,问该市财政局共有多少人

A.218

B.247

C.198

D.212

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纯碱(Na2CO3)在工业生产和生活中有重要应用,其实验室制法和工业制法如下:

【实验室制备纯碱】

①将饱和NaCl溶液倒入烧杯中加热,控制温度为30-35℃

②搅拌下分批加入研细的NH4HCO3固体,加料完毕,保温30分钟

③静置、过滤得NaHCO3晶体

④用少量蒸馏水洗涤、抽干

⑤将所得固体转入蒸发皿中灼烧得Na2CO3固体

问题:

(1)反应将温度需控制在30-35℃,通常采取的加热方法为_________________ ;控制该温度的原因是

__________________;

(2)静置后只析出NaHCO3晶体的原因是____________________。

【工业制备纯碱】

(3)沉淀池中反应的离子方程式为_________________________;

(4)循环(I)、 循环(Ⅱ)中物质的化学式分别为_____________________。两种制备纯碱的方法中,共同涉及的化学反应方程式为_________________________。

题型:单项选择题

(C)

Ocean Park Hong Kong is a theme park in the Southern District of Hong Kong Island. The park was built with donations from the Royal Hong Kong Jockey Club (now Hong Kong Jockey Club) and opened on 10 January 1977. The park is operated by Ocean Park Corporation, which is a statutory department. It offers affordable marine animal education and entertainment and is a private organization for commercial purposes.

In the early operation of the park, the main sources of income for the park were the ticket prices and the funding from the Jockey Club. Since the ticket price was low, most of the time Ocean Park was operating under deficit. In 1 July 1987, the government established a 200 million trust from the funding of Jockey Club, under the Ocean Park Corporation Ordinance. This separated Ocean Park from Jockey Club and became a non-profit organization; it needs to be responsible for its own income and was allowed to use commercial meansto operate the park.

Since it was permitted to use commercial means to operate, it gradually raised its ticket price and the deficit turned into profit. In 1992, 3 million visitors visited the park. Since 1998, the East Asian financial crisis, aging attractions, and the passing away of the killer whale; the park recorded a deficit for a couple years. Although it was allowed to host 2 pandas in 1999, the number of visitors did not go up and Ocean Park was forced to close its water attractions and the "Old Village" attraction and turned to bring in more rides in an attempt to capture the youth demand. Together with the opening up of mainland visitors under the Individual Visit Scheme, Ocean Park recorded an astonishing 4 million visitors in the year 2004-2005, the highest since the park opened.

In March 2005, Ocean Park made its redevelopment plan. On 23 November 2006, Ocean Park held a groundbreaking ceremony for its redevelopment.

At the beginning, Ocean Park Hong Kong()。

A. was built with the money from the government

B. was operated by Ocean Park Corporation

C. was a great success once it was opened

D. mainly got income from the ticket prices and donations

题型:单项选择题

KF60型矿石车的自重为()t。

A.24.0

B.26.0

C.33.0

D.34.0

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