【简答题】请听下面一段材料,回答第1至3题。 1. How many kinds of parties are mentioned in the text? [ ] A. 3. B. 4. C. 5. 2. Where is a block party usually held? [ ] A. In a park. B. In a parking area. C. On the street...
【简答题】下列物质用途与性质对应关系合理的是 A.金刚石用于裁玻璃——硬度大 B.一氧化碳用于冶炼金属——氧化性 C.二氧化碳用于灭火——能与水反应 D.活性炭用于净水——
【简答题】听下面一段材料,回答第1-5小题。 1. How many kinds of pollutions are mentioned in the passage? [ ] A. 2 B. 3 C. 4 2. pollution makes us become angry more easily. [ ] A. Air B. Water C. Noise 3. Most air poll...
【简答题】Questions 1-8 Choose the correct letter, A,B or C. 1. How long have Sharks lived in the world’s oceans. A. For hundreds of years. B. For thousands of years. C. For millions of years. 2. How many kinds...
【单选题】莉莉 在雨天和爸爸一起走在泥地里,她问: “爸爸,地上一道一道的是什么呀?”爸爸说:“是车轮压过的泥印儿,也叫车道沟。” 莉莉 说: “爸爸脑门上也有车道沟(指皱纹)” 。 这是 ( )
【单选题】合金具有许多优良的物理、化学或机械性能。下列物质属于合金的是
【单选题】Task I Fast Reading Read the text (P30)carefully and choose the best answer. 1. How many kinds of animals were mentioned in the passage?