题目

6. — I didn’t do well in the exam. What about you? — I did _____ you. Maybe even worse. A. not better than       B. not worse than C. as well as            D. no better than 答案：D 解析: 选D。根据后面的答语Maybe (I did) even worse(than you).可以知道应该使用D。 no better than = as badly as（1）书写化学式：二硫化碳________ 氢氧化镁________（2）加碘食盐是在食盐中添加了适量的碘酸钾（KIO3）．①碘的元素符号是________；②碘酸钾受热发生的化学反应与氯酸钾受热的反应相似．请写出碘酸钾受热反应的化学方程式________．