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A．Whether it can be detected and checked.B．Whether it will lead to widespread food sho

A. Whether it can be detected and checked.
B. Whether it will lead to widespread food shortage.
C. Whether global warming will speed up in the future.
D. Whether it will affect their own lives.

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A．Many species have moved further north.B．Many new species have come into existence.C．

A. Many species have moved further north.
B. Many new species have come into existence.
C. Many species have developed a habit of migration.
D. Many species have become less sensitive to climate.

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It on be inferred from the passage that kerosene was preferable to whale oil because whale

A. expensive
B. thick
C. hot
D. polluted

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Section A
Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer.
(12)

A. The organization of a conference.
B. The cost of renting a conference room.
C. The decoration of the conference room.
D. The job of cleaning up the dining-room.

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A．A good singing voice.B．A commitment to the project for two semesters.C．An academic c

A good singing voice.
B. A commitment to the project for two semesters.
C. An academic concentration in theater arts.
D. A certain grade point average.

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A．Whether it can be detected and checked.B．Whether it will lead to widespread food sho