(   ) 10. A suitable        to the engine of his secondhand car was made to improve its working condition.

A. achievement B. investment C. assessment D. adjustment

10. D考查名詞詞義辨析。achievement完成，成就； investment投資，(時(shí)間、精力的) 投入；assessment 評估，評價(jià)；adjustment調(diào)整，調(diào)解。句意：為了改善運(yùn)轉(zhuǎn)情況，他對他的二手車引擎做了適當(dāng)?shù)恼{(diào)整。

題目來源：高考丟分題英語 > Unit 3 Life in the future

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