—— The experiment is of particular importance.
—— I see. We won’t carry on with it _______ we can get the good equipment.
A．untilB．unlessC．whetherD．a(chǎn)fter
B
考查從句連接詞�！澳琼棇嶒炋貏e重要�！薄拔抑�。我們將不會繼續(xù)，除非我們能得到良好道德設(shè)備。”A“直到”；B“除非”；C“是否”；D“在......之后”。根據(jù)句意可知，這里表示條件。故選B。
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