005. The increasing water pressure under the glacier might lift it off its bed， overcoming the friction between ice and rock， thus freeing the glacier， which rapidly sliders downhill surge glaciers also might be influenced by the climate， volcanic heat， or earthquakes.

    The word "freeing" is closest in meaning to which of following？

    （A） pushing

    （B） releasing

    （C） strengthening（D） draining

    006. A flood of ice would then surge into the Southern Sea. With the continued rise in sea level， more ice would plunge into the ocean， causing sea levels to rise even higher， which in turn would release more ice and set in motion a vicious cycle.

    The word "plunge" is closest in meaning to which of following？

    （A） drop

    （B） extend

    （C） melt

    （D） drift

    007. Group members look to instrumental leaders to "get things done." Expressive leadership， on the other hand， is leadership that emphasizes the collective well-being of a social group's members.

    The word "collective" is closest in meaning to which of following？

    （A） necessary

    （B） typical

    （C） group

    （D） particular

    008. They offer sympathy when someone experiences difficulties or is subjected to discipline， are quick to lighten a serious moment with humor， and try to resolve issues that threaten to divide the group.

    The word "resolve" is closest in meaning to which of following？

    （A） avoid repeating

    （B） talk about

    （C） avoid thinking about

    （D） find a solution for

    005 B

    006 A

    007 C

    008 D

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