先化简,再求值:a2-b2a÷(2ab-b2a-a),其中,a=1+2,b=1-

题型:解答题

问题:

先化简,再求值:
a2-b2
a
÷(
2ab-b2
a
-a)
,其中,a=1+
2
,b=1-
2
考点:分式的加减乘除混合运算及分式的化简
题型:解答题

某患者反复鼻塞、喷嚏、流清涕,临床诊断为变应性鼻炎

其发病机理为?

A、细菌感染的炎症反应

B、I型变态反应

C、II型变态反应

D、III型变态反应

E、IV型变态反应

题型:解答题

颈部淋巴结的CT值为

A.10~20HU
B.20~30HU
C.100~200HU
D.200~300HU
E.300~500HU

题型:解答题

The Lantern Festival is around the corner. In Beijing, there are many events to celebrate this big day.

Beijing Happy Valley

Date: Until 4th March.

To celebrate this festival, Happy Valley has extended(延长) its opening hours to 20:00. There will be many excellent entertainers and lots of interesting activities like the lion dance, Tibetan song and dance, harlequinade(滑稽表演)and magic performances. Free for visitors.

Address: Xiaowuji N. Rd, E.4 Ring Rd, Chaoyang District

Tel: 010-67383333

Chaoyang Park

Date: Until 5th March

During the Lantern Festival, Chaoyang park will hold a grand Lantern Fair where you can find beautiful lanterns in different shapes and colors. Visitors can also enjoy wonderful folk dances.

Address: No.1, Nongzhanguan Nanlu, Chaoyang District

Tel: 010-65915258

Entrance fee: RMB 20

Kaikang International Hotel

Date: 4th March

From 14:00 to 18:00, this hotel will hold a large singles activity. If you still haven’t found a lover and do not want to celebrate this day alone, you can come here to enjoy the day with other singles. Why not give it a try ? Maybe you will find your true love!

Address: F3 No. 15. Third District, An Zhen Li, Chaoyang District

Cost: RMB 120 per person

Tel: 010-64445364,64428783

4)Beijing Garden of World Flowers

Date: Until 5th March

This fair is an exhibition of traditional Taiwanese lantern arts. There is also a Plum Blossoms display in the Pen Gallery, where you can find blossoms from Sichuan, Hubei and Zhejiang Provinces.

Address: To the north of Majialou Bridge, S.4 Ring Rd.

Entrance fee: RMB 80 per person.

Tel: 010-87500721

59.If you live the east of the Fourth Ring Road, and you want to see performances near your home, you may call________.

A.010-67383333                        B.010-87500721     

C.010-64445364                        D.010-65915258

60.How many places can you visit with no more than 100 RMB ?

A. Two            B. Three                 C One.                    D.Four

61.Mr. Zhang is new in Beijing. He is eager to make friends. Which of the following is the best choice for him ?

A. Beijing Happy Valley                     B. Chaoyang Park

C. Beijing Garden of World Flowers        D. Kaikang International Hotel

题型:解答题

表:2011年工作总结的部分内容。

根据其内容,可以看出  [ ]

A.人大代表有依法行政的义务

B.人大代表有权提出意见并直接处理问题

C.人大代表有权监督政府的工作

D.该代表行使了提案权、审议权、问责权

题型:解答题

(75) is a clickable string or graphic that points to another Web page or document。

A.Anchor

B.Browser

C.Hypertext

D.Hyperlink

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