A．From rocks in the mountain.B．From the remains of ancient sea life.C．From the soil un
A. From rocks in the mountain.
B. From the remains of ancient sea life.
C. From the soil under the sea.
D. From ancient trees.
查看答案
A．4.2 billion years ago.B．3.3 billion years ago.C．2.9 billion years ago.D．1.2 billion
A. 4.2 billion years ago.
B. 3.3 billion years ago.
C. 2.9 billion years ago.
D. 1.2 billion years ago.
A．The bicycle is easily stolen.B．The roads are narrow and unsuitable for bicycles.C．Th
A. The bicycle is easily stolen.
B. The roads are narrow and unsuitable for bicycles.
C. There are many ups and downs in the city so riding a bike is tiring.
D. There are too many cars so it's unsafe to ride a bike.
Studying in an English-speaking country is a very effective way to learn English.
A. True
B. Fasle
听力原文：F: I'm so sick of calling the box office The number for ticket order is always busy.
M: Why don't you order through the email as I do？
Q: What does the man suggest the woman do？
(17)
A. Order tickets via the Internet.
B. Order tickets by going to the box office personally.
C. Order tickets by writing a letter.
D. Order tickets by calling the box office.
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