Question

【題目】Stephen Hawking believes that the earth is unlikely to be the only planet __________ life has developed gradually.

A. that B. where C. which D. whose

Answer 1

【答案】B

【解析】句意：斯蒂芬. 霍金認(rèn)為：地球不太可能是有生 命進(jìn)化現(xiàn)象的唯一星球。限定性定語(yǔ)從句中缺少 地點(diǎn)狀語(yǔ)，where在此處引導(dǎo)定語(yǔ)從句，作地點(diǎn)狀 語(yǔ)，修飾先行詞planet。