Question

【題目】The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.

A. what B. which

C. that D. though

Answer 1

【答案】C

【解析】試題分析：本題考查同位語從句。從句 “_____ the earth is becoming warmer and warmer these years” 解釋說明 the fact 的內(nèi)容，并且從句意義完整，成分完整，應(yīng)用 that 引導(dǎo)，故正確答案為C。