Questions 4 to 6 are based on the following passage. At the end of the passage，you will be given 15 seconds to answer the questions.
Now, listen to the passage.
4. How many companies are presenting products in the Consumer Electronics Show?
A. More than twenty thousand.
B. More than three thousand.
C. More than two hundred.
D. More than three hundred.
5. The experts predict that one strong sales area of the show will be_____.
A. netbook
B. mobile phone
C. three-D TV
D. digital tablet
6. According to the passage, which of the following statements is INCORRECT?
A. Google is launching the superphone product to compete with iPhone.
B. Apple is going to introduce the digital tablet product.
C. Sony is introducing new television sets for watching three-D TV.
D. Panasonic and the Discovery Channel plan to start their own three-D channels.
