{01}. --- My son is addicted to drugs. He isn’t hopeless, is he? --- Yes, ______ he mends his way and starts all over.
A.if
B.when
C.even if
D.unless
解析:连词考查题。if“如果” when“当…时候” even if“即使” unless“除非”。根据句意“除非你儿子改过自新,要不然他是无可救药的。”所以答案为D。 本题选D。 {02}.Few people paid full attention to their health conditions _____ they were seriously ill.
A.when
B.if
C.until
D.before
解析: 考查连词的用法。句意:很少有人完全注意他们的健康状况直到他们患了重病。故选C. until 。 本题选C。
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