“我们四川还有人用牛粪作燃料，至于那些又臭又长的文章，恐怕连牛粪都不如。”这句话用的辞格是（）。
A.比喻
B.比拟
C.借代
D.拈连
参考答案：A
I thought Jim would say something about his school report, but he _____ it. [ ]
A. doesn't mention
B. hadn't mentioned
C. didn't mention
D. hasn't mentioned
简述有机组织的特征
