原因状语从句练习题初中原因状语从句选择题

〔考题1〕 ____ you’ve got a chance,you might as well make full use of it.(1999)
A.Now that B.After C.Although D.As soon as
〔答案〕 A
〔解析〕 主句与从句之间存在因果关系,且“you’ve got a chance”表示一个显而易见的原因,因此应选用表原因的now that.
〔考题2〕 He found it increasingly difficult to read,____ his eyesight was beginning to fail.(2006北京)
A.and B.for C.but D.or
〔答案〕 B
〔解析〕 “his eyesight was beginning to fail”是“he found it increasingly difficult to read”的原因,因此本题应选用可以表示原因的连词for引导原因状语从句.
〔考题3〕 A man cannot smile like a child,____ a child smiles with his eyes,while a man smiles with his lips alone.(2006湖南)
A.so B.but C.and D.for
〔答案〕 D
〔解析〕 下划线处之后的句子补充说明“a man cannot smile like a child”的原因,应选用for表原因.