题目

下列物质:①氢气 ②水银 ③氯酸钾 ④液氧 ⑤空气⑥冰水混合物⑦实验室用高锰酸钾制取氧气后的固体物质。7种物质中用序号填写符合下列要求的物质: （1） 属于混合物的是 （2） 属于化合物的是 （3） 属于单质的是 （4） 属于氧化物的是 答案：【1】⑤⑦ 【1】③⑥ 【1】①②④ 【1】⑥Helping your children to read and write at home will improve their skills and confidence (自信心)—it will also make them get ready for learning in the classroom environment.__________________ are needed by every child in every subject in every year of their life in or outside school. Students who improve their reading and writing skills will increase their vocabulary and their ability to use the English language correctly. As parents, you can play an important role in improving your children’s literacy(读写能力). You can make a difference by listening, asking questions, giving information, and reading with your children outside school hours.Here are 8 tips on how to help your children to read and write:▲having everyday conversations with your children▲trying to ask more “wh-” questions instead of easy “yes” or “no” questions▲encouraging your children to talk about events you don’t know▲reading to your children each night▲listening to your children read▲teaching your children how to use dictionaries▲talking about your children’s writings▲practicing filling in forms, writing letters, sending cards or emailsYou can also encourage your children to join the Reading Challenge Club and discuss the books they are reading together. In the club, children must read 15 books from the Challenge book list and 5 more books chosen by themselves. There are over 1,000 books on the list. The reading must be done in one year. What’s more, it is a wonderful way to help your children to write. For example, you can encourage(鼓励) them to write diaries or book reviews. Remember to make positive(肯定的,积极的) comments as much as possible.1. This passage is for __________.A. children B. teachersC. parents D. doctors2. __________ is the best for the missing(缺失的) part in Paragraph 2.A. “Listening and speaking skills” B. “Reading and writing skills”C. “Listening and writing skills” D. “Reading and listening skills”3. __________ is NOT mentioned(提及) in the 8 tips above.A. “Listening to the radio every day”B. “Listening to your children read”C. “Reading to your children each night”D. “Talking about your children’s writings”4.In the Reading Challenge Club, children have to read ______ in one year.A. 5 books B. 10 books C. 15 books D. 20 books5.Parents can help children to write by encouraging them to_______.A. draw pictures or take photos B. listen to pop musicC. write diaries or book reviews D. play computer games