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问题 选择题

下列由实验现象得到的结论，正确的是（　　）

A．向某溶液中加入BaCl2溶液，生成不溶于稀硝酸的白色沉淀，说明该溶液中一定含SO42-

B．向某固体中加入稀盐酸，有气泡产生，说明此固体一定是金属

C．氧化钠晶体不导电，说明氧化钠晶体中不含离子

D．向某溶液中滴加无色酚酞试液，酚酞试液变红色，说明该溶液显碱性

答案

A、不正确．因为氯化钡和硝酸银反应生成的氯化银也是不溶于稀硝酸的白色沉淀．

B、不正确．因为碳酸钙和稀盐酸反应能生成二氧化碳气体．

C、不正确．氧化钠晶体中含有钠离子和氧离子，不导电说明对应离子不能定向运动．

D、正确．因为能使酚酞试液变红的溶液一定显碱性．

故选D

阅读理解
阅读理解。
     Summer holidays are just coming. Have you got any plans? Here are 4 five-star films for you to kill your
time.
Pirates of the Caribbean 4 (加勒比海盗4)
Type: Adventure; Action
Film Studio: Walter Disney Pictures
Date: May 20th, 2011
     Captain (船长) Jack Sparrow of the Caribbean has come back. This has made
fans of Pirates of the Caribbean very excited. Johnny Depp, a famous actor, works
together with a new director, Rob Marshall to bring a new wave of pirate craze.
Johnny Depp is also known for Walter Disney's film Charlie and the Chocolate
Factory.
Sherlock Holmes
Type: Action; Detective
Film Studio: Warner Bros.
Pictures Date: Dec. 25th, 2009
     Do you like detective stories and want to solve mysteries like well-known
Detective Sherlock Holmes? This one you certainly don't want to miss. It is quite
different from the earlier Holmes stories and has received much praise (赞誉) from
film fans.
Toy Story 3
Type: Cartoon
Film Studio: Walter Disney Pictures
Date: June 18th, 2010
     Do you still remember Woody and Buzz? Woody is brave, like a cowboy should
be. He knows how to lead other toys. And this time Woody's friends have another
big problem. They are trapped by a selfish and cruel bear named Lotso and his men in
Sunnyside. Woody goes to help them. How can they find a way out?
Ice Age 3
Type: Cartoon
Film Studio: DreamWorks Pictures
Date: July 1st, 2009
      Ice Age 3 is a whole new adventure that everyone at any age can enjoy. All our
old friends are back. Sid the sloth finds three dinosaur babies and adopts (收养) them
as his own. Then the mother dinosaur comes for her babies and takes Sid away. The
adventure begins when Sid's best friends try to find him and get him back. Do they
succeed in the end?
1. _________ is the latest film according to (根据) the article.
A. Ice Age 3
B. Pirates of the Caribbean 4
C. Sherlock Holmes
D. Toy Story 3
2. Which of the following is RIGHT according to the article?
A. Johnny Depp is the director of Pirates of the Caribbean 4.
B. Film fans don't think Sherlock Holmes is a good film.
C. The two cartoons are produced by the same film studio.
D. Ice Age 3 is a cartoon suitable for different age groups.
3. From the article, we know _________ is a cruel character.
A. Sid
B. Sherlock Holmes
C. Lotso
D. Jack Sparrow
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单项选择题

在对艺术创造性的论述中，主张“学我者生，似我者死。”的艺术家是（）。

A.张艺谋

B.齐白石

C.李可染

D.王尔德
查看答案