A．They break down bone tissue.B．They defend the bone against viruses.C．They connect th
A. They break down bone tissue.
B. They defend the bone against viruses.
C. They connect the bone to muscle tissue.
D. They prevent oxygen from entering the bone.
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W: Well, we were originally going to spend some time with my sister in Washington, but she went to Europe this summer, so we visited George's parents instead.
Q: With whom and where did the woman and her family spend their vacation？
(16)
A. With George's parents in Chicago.
B. With the woman's sister in Washington.
C. With their friends in Europe.
D. With George's parents in Boston.
A．Counting wildlifeB．Cleaning cagesC．Training baby birdsD．Making puppets
A. Counting wildlife
B. Cleaning cages
C. Training baby birds
D. Making puppets
听力原文：M: My school work is too heavy this term. I really want to drop one or two courses.
W: You have to go through official channels to do that.
Q: What does the woman mean？
(15)
A. The man should go to the department office.
B. The man has to follow the correct procedure.
C. The man can drop any course as he likes.
D. The man had better not drop any course.
A．The customers give them the information.B．The customers sell the information to them
A. The customers give them the information.
B. The customers sell the information to them.
C. The thieves steal the information from Web sites.
D. The thieves buy the information from credit card firms.
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