Spaceflight is possible for individuals who want to fly in the space and who have the money.
查看答案
【B19】
A. of
B. at
C. from
D. about
听力原文：M: Mrs. Wilkins, I'd like you to meet Denise. She's at school with me.
W: Hello, Denise. Pleased to meet you.
Q: What's the relationship between Denise and the man？
(18)
A. Dentist and patient,
B. Schoolmates.
C. Roommates.
D. Workmates.
Among which group m the following are carbon copying NOT frequently seen？
A. Married couples.
B. Good friends.
C. People not familiar with each other.
D. People at the same' status.
【B17】
A. either side
B. two sides
C. three sides
D. four sides
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