It is well-known that crack cocaine is a powerful             drug and users become           to it much more easily if they smoke it.

addicted; addict

addictive; addict

addicted; addictive

addictive; addicted

考查形容詞辨析。眾所周知可卡因是一種強大的令人上癮的毒品，如果使用者吸了它更容易上癮得多。addicted上癮的，著迷的；addict"shi使沉迷；使上癮”是動詞；addictive “使成癮的，令人沉迷的”。第一空表示“令人上癮的”用addictive，故排除A，C項；become addicted to “對....上癮”，第二空填addicted。故選D項。

My little sister          me into buying this book.

wanted

advised

persuaded

told

考查動詞詞義辨析。句意：我的小妹妹說服我買了這本書。A. want想，想要；B.advised 建議；C. persuaded說服，勸服；D.told告訴。want  sb to do sth想要某人做某事；advise sb to do sth 建議某人做某事；persuade sb into doing sth 勸服某人做某事；tell sb to do sth告訴某人做某事。故選C項。

Don’t mention that at the beginning of the story, or it may             the  shocking end.

give out

give away

give up

give off

考查動詞短語辨析。句意：不要在故事的開頭提到它，否則會泄露令人震驚的結(jié)局。A. give out分發(fā)；B. give away泄露；C.give up 放棄；D. give off發(fā)出（光），根據(jù)“the shocking end”可知，此處表示“泄露”。故選B項。