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　　According to Dr. Edith Widder, measuring the level of pollutants in sediment provides a more accurate and robust indication of an estuary's health than does measuring the level of chemicals in the water, since pollution in water is (i)_____, but pollution in sediment is (ii)_____.

　　Blank (I)Blank (II)

　　A：declining D：significant

　　B：manageable E：persistent

　　C：transient F：detectable

　　答案：CE

　　The automation of many of the functions performed at the factory, although initially inspiring _____ in many of the company’s employees, has had none of the deleterious effects forecast either within and beyond the organization.

　　A：indifference

　　B：optimism

　　C：ambition

　　D：arrogance

　　E：trepidation

　　答案：E

　　There has been (i)_____ elephant’s fabled mental capacities until recently, when these behavioral observations have begun to be (ii)____ by brain science. MRI scans of an elephant’s brain suggest that even relative to its overall size it has a large hippocampus, the component in the mammalian brain linked to memory and an important part of its limbic system, which is involved in precessing emotions.

　　Blank (I)Blank (II)

　　A：surprising credence given to D：buttressed

　　B：a widespread dismissal of E：anticipated

　　C：only anecdotal evidence for F：overwhelmed

　　答案：CD

　　They applaud the musicals of the 1930s and 1940s, whose plethora of stars, jokes, dances witty dialogue, and general gaiety make today’s offering seem _____ by comparison.

　　A：cheerless

　　B：vacuous

　　C：mirthful

　　D：insincere

　　E：gloomy

　　F：jovial

　　答案：AE

　　It may not seem like a big deal for produce distributors to mix together soybeans from different farms, but a growing number of buyers are willing to pay a premium for soybeans the _____ of which is know: they like to know exactly where their food came from.

　　A：purity

　　B：output

　　C：heterogeneity

　　D：origin

　　E：yield

　　F：provenance

　　答案：DF

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