Geologists believe that ocean water came from
A. comets.
B. raindrops.
C. volcanoes.
D. other planets.
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第二节 对话应答
在本节中,你将听到10个简短话语,请从[A]、[B]、[C]三个选项中选出一个最佳应答,并标在试卷的相应位置。每个话语后有20秒钟的停顿,以便选择答案和阅读下一个问题。每个话语读两遍。
听力原文:I spent 40 yuan on this book.
(6)
A. 20 yuan.
B. 40 yuan.
C. 60 yuan.
The phrase "Jones Day" underlined in Paragraph 6 refers to a______.
A. person
B. firm
C. holiday
D. corporation
The passage is primarily concerned with______.
A. informing readers of different sea creatures
B. describing predatory microscopic organisms
C. solving some long-lasting mysteries about the sea
D. discussing the environment for various fishes
The word "they" underlined in Paragraph 1 refers to______.
A. organisms
B. fish
C. toxins
D. flesh