同等学力英语原因状语从句用法
[考题1] ____ you’ve got a chance, you might as well make full use of it.
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.
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.
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。
