问题 选择题

在水溶液中能大量共存,且加入过量稀硫酸溶液时,有气体生成的是(  )

A.Na+、Ag+、CO32-、Cl-

B.K+、Ba2+、SO42-、Cl-

C.Na+、K+、CO32-、Cl-

D.Na+、K+、Cl-、SO42-

答案

A.Ag+与CO32-反应生成沉淀而不能大量共存,故A错误;

B.Ba2+与SO42-反应生成沉淀而不能大量共存,故B错误;

C.离子之间不发生任何反应,能大量共存,且加入硫酸后,CO32-与H+反应生成二氧化碳气体,故C正确;

D.离子之间不发生任何反应,但加入硫酸后不生成气体,故D错误.

故选C.

单项选择题 A3/A4型题
阅读理解

阅读理解。

     Use your American Express Card to enjoy one-day privileges at four of America's greatest museums.

Note the participating museums, and their exciting special exhibitions that you will not want to miss, listed

below.

     Boston

     Isabella Stewart Gardner Museum

     Chairs

     February 11-May 8, 2005

     Italian furniture expert Fausto Calderai and Indian photographer Dayanita Singh present an exhibition of

chairs from the museum's collection and"chair photographs" from around the world presented in a

Venetian-style hall housing world-famous masterpieces.

     For more information: www.gardnermuseum.org

     New York

     The Noguchi Museum

     Noguchi and Graham

      December 1, 2004-May 1, 2005

     Noguchi's long-term collaboration with dancer Martha Graham is regarded by many as a high point in the

history of both modern dance and art. The exhibition highlights nine of the sets created through this

collaboration.

     For more information: www.noguchi.org

     Philadelphia

     Pennsylvania Academy of the Fine Arts

     In full View: American Painting (1720-2005)

     January 11-April 10, 2005

     Founded in 1805, the Pennsylvania Academy has been home to America's artists for 200 years. The

 Academy collects and exhibits the works of famous American artists, and is well-known for training fine

artists. 2005 at the Academy begins with the largest exhibition of Academy's distinguished American

collection in the institution's history.

     For more information: www.pafa.org

     Seattle

     Seattle Museum of Glass

     Murano: Glass from the Olnick Spanu Collection

     Through November 7, 2004

     This exhibition includes over 200 pieces of beautiful glass from Murano, the island of glassblowers near

Venice, Italy. Watch live glass-blowing shows in the How Shop and see other modern glass exhibitions.

     For more information: www.museumofglass.org

1. Which of the following websites offers information about the furniture show?

A. www.pafa.org

B. www.Museumofglass.org

C. www.noguchi.org

D. www.Gardnermuseum.org

2. We learn from the text that Martha Graham is _______.

A. a dancer

B. a glassblower

C. a painter

D. a photographer

3. If you want to know the history of American painting, you may visit ______.

A. the Noguchi Museum

B. Seattle Museum of Glass

C. Isabella Stewart Gardner Museum

D. Pennsylvania Academy of the fine Arts