题目

从 B 栏中找出句子的正确答语，将其序号填写在答题卡上。AB⑴What is your name? A. I am seven years old.⑵How old are you? B. My name is Daming.⑶Good morning.C. Tomorrow is Tuesday.⑷How are you? D. It is black.⑸What class are you in? E. It's warm.⑹Are you a new student? F. Good morning.⑺How do you spell book?G. Fine, thanks.⑻What color is the dog?H. I am in Class Five, Grade Seven.⑼What day is it tomorrow?I. Yes, I am.⑽What's the weather like in spring?J. B-O-O-K, book.酸具有一些相似的化学性质，这是因为A．酸能使指示剂变色B．酸能跟碱反应生成盐和水C．酸溶液能导电D．酸溶液中含有H+