【題目】Researchers are now conducting hibernation experiment and can use chemicals to put living cells into sleep-like state_____ they don’t age.

A. for which B. that

C. where D. which

【答案】C

【解析】試題分析:考查定語(yǔ)從句及其關(guān)系詞的使用。句意:研究人員現(xiàn)在正在作冬眠實(shí)驗(yàn),他們可以使用化學(xué)藥物使活著的細(xì)胞進(jìn)入睡眠狀態(tài),在這個(gè)狀態(tài)中他們不會(huì)變老。先行詞為state, 在從句中作地點(diǎn)狀語(yǔ),故C正確。

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