题干
—Fool _____ I am, I will not believe you any more．You have been promising a hundred times!
—But Mum, this is the last time．
—But Mum, this is the last time．
A：a
B：although
C：if
D：so
答案(点此获取答案解析）
A
人变笨的食物”，如天天吃油条，会对大脑及神经细胞产生毒害，甚至引起老年性痴呆。炸油条要用到面粉和花生油，它们分别来自植物种子的：