A．The surface of the ocean is expanding.B．Volcanic activity is increasing.C．The surfac
A. The surface of the ocean is expanding.
B. Volcanic activity is increasing.
C. The surface of earth contains tons of cosmic dust.
D. Thousands of comets are colliding with earth's atmosphere.
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听力原文：M: Are you going to the concert tonight？
W: No, I promised to baby-sit for my neighbors while they have a meeting.
Q: What will the woman do tonight？
(19)
A. She'll go to the concert.
B. She'll have a meeting.
C. She'll watch her neighbor's children.
D. She'll visit her neighbor.
A．They are found under the oceans.B．They were most active when earth was first formed.
A. They are found under the oceans.
B. They were most active when earth was first formed.
C. Their emissions created earth's atmosphere.
D. Their fumes are mostly water in the state of a gas.
听力原文：M: You don't look a day over thirty.
W: Really？ In fact, I'm thirty-five.
Q: How does the woman feel about the man's remark？
(16)
A. She's rather happy to hear so.
B. She's disappointed to hear so.
C. She's unhappy to hear so.
D. She's surprised to hear so.
听力原文：M: Susan isn't here yet. Did you forget to invite her？
W: She was ready to come, but then changed her mind.
Q: Why isn't Susan present？
(14)
A. She wasn't invited.
B. She wasn't ready to come.
C. She altered her decision.
D. She forgot the invitation.
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