【简答题】听录音,补全句子。 1. Li Ming was a ____two years ago. 2. I bought a _ __ last night. 3. She usually_____ on the weekend. 4. Did they ____last Sunday? 5. There are ____bridges over the river.
【简答题】根据首字母及句意补全单词 1. Tom was happy to get Cheng Long's a_____. 2. Li Ming is very popular in our class, so he becomes our m_____. 3. It was my birthday yesterday. My mother gave me a beautiful g_____. 4. D...
【简答题】Dear Sir, I’m glad to recommend to you my student Li Ming. Li Ming was born _ ___ 小题1: _ _ July 15,1974 in Xiamen. He studied in Datong Primary School from 1980. When he was in the m__ _ 小题2: __ schoo...
【简答题】Now listen to the conversation again and answer the following questions. 1. Where could Wang Ying and Li Ming be ? 2. What did Li Ming ask Wang Ying to do? 3. What did Wang Ying do with the request? 4...
【简答题】汽车安全气囊是车辆安全的重要保障.当车辆发生碰撞的瞬间,安全装置通电点火使其中的粉末分解释放出大量的氮气形成气囊,从而保护司机及乘客免受伤害.为研究安全气囊工作的化学原理,取安全装置中的粉末进行实验,确定此粉末是由Na、Fe、N、O四种元素两两组合而成的两种不同的化合物. 请回答下列问题: (1)进一步检测,其中一种化合物为NaN 3 (叠氮化钠);另一种物质为红色粉末甲,则甲的化学式为_____...