especially those with long generation times.

　　So,

　　it is likely that more negative influences of climate change will be shown in the future.

　　67.

　　What does the text mainly talk about?

　　A.

　　Why some species become smaller.

　　B.

　　How climate changes in Earth's history.

　　C.

　　Climate change has many negative effects.

　　D.

　　Species are becoming smaller as climate gets warmer.

　　68.

　　What does the underlined word "trumped" in paragraph l mean?

　　A beaten

　　B. gained

　　C. destroyed

　　D. lost

　　69.

　　Researchers from the National University of Singapore believe that_____.

　　A

　　they have found the exact causes for creatures getting smaller

　　B

　　increase in energy use can lead to creatures getting smaller

　　C.

　　climate change has more negative effects on warm-blooded animals

　　D.

　　all the animals on the earth have become smaller

　　70.

　　What does the auther feel about the climate change?

　　A Worried

　　B Optimistic

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