Section C Directions: In this section, you will hear three recordings -考呗网题库移动版

单选题Section C
Directions: In this section, you will hear three recordings of lectures or talks.followed by three or four questions.The recordings will be played only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D. Then mark the corresponding letter on Answer Sheet I with a single line through the centre.
Questions 16 to 19 are based on the recording you have just heard.

A．A hypothesis that explains how changes in Earth's motions affect climate.
B．A hypothesis that explains why the shape of Earth's orbit varies over time.
C．Reasons it is difficult to find evidence to support hypotheses about the climate.
D．Analyses of the accuracy of data collected in different ways.

参考答案A

解析:暂无解析

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单选题

A．To clarify a common misunderstanding.
B．To show in what way Earth is similar to a watch.
C．To emphasize the regularity of Earth's movements.
D．To connect the concepts of orbits and time.

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单选题

A．It denied earlier evidence that Milankovitch found.
B．It led to new methods to measure global climate changes.
C．It helped Milankovitch first formulate his hypothesis.
D．It confirmed Milankovitch's hypothesis.

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单选题

A．Inaccurate information about long-term climate changes.
B．Evidence that contradicted Milankovitch's hypothesis.
C．Evidence that climate changes occur only locally.
D．Variations in Earth's orbit that had little impact on climate.

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