题目

在相同粗糙程度的水平面上，用手推木块向右压缩轻质弹簧至图甲所示的位置；松手后，木块最终静止在图乙所示的位置。下列说法正确的是（） A . 弹簧恢复原状的过程中，弹簧的弹性势能逐渐变大 B . 木块离开弹簧前弹簧的弹力对木块做功 C . 松手后木块先做加速运动再做减速运动，离开弹簧时速度达到最大 D . 整个运动过程中木块机械能守恒Helping your children to read and write at home will improve their skills and confidence—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(能力)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 emails .You 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 them to write diaries or book reviews. Remember to make positive comments as much as possible.1.This passage is mainly written for __________.A. children B. teachers C. parents D. doctors2.________ is the best for the missing 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 in the 8 tips above.A. Listening to the radio every dayB. Listening to your children readC. Reading to your children each nightD. Talking about your children’s writings4.In the Reading Challenge Club, children have to read ____ in one year.A. 5 books B. 10 booksC. 15 books D. 20 books5.Parents can help children to write by encouraging them to________.A. draw pictures or take photosB. listen to pop musicC. write diaries or book reviewsD. play computer games