简述广播新闻中音响与文字稿的关系
对于培根的“学问锻炼天性，而其本身又受经验的锻炼”这句话我们应如何理解?
在Ⅱ栏中选出与 Ⅰ栏中相应的答语。
Ⅰ Ⅱ
( ) 1. What's your telephone number, please? A. He is a worker.
( ) 2. It's very cold today, isn't it? B. It doesn't matter.
( ) 3. Can you mend it? C. Yes, wonderful, thanks.
( ) 4. How is your mother? D. Sometimes.
( ) 5. Hi, this is my friend, Lily. E. My telephone number is 6262383.
( ) 6. I'm sorry to trouble you. F. Yes, it is. You need to wear warm clothes.
( ) 7. How often do you go to the park? G. Certainly.
( ) 8. Excuse me. Where is the post office? H. Nice to meet you.
( ) 9. What does your father do? I. She is OK.
( ) 10. Did you have a good trip? J. It's about twenty meters from here.
评价是英语课程的重要组成部分。科学的评价体系是实现课程目标的重要保障。请列举英语课程标准提倡的八大评价建议。
“Early to bed ，early to rise ”makes a man healthy, wealthy and wise.It's good for the body.This is an old saying . Have you heard of it before? It means that we must go to bed early at night，and get up early in the morning.Then we shall be healthy.We shall also be rich and clever.That is true .The body must have enough sleep to be healthy.Children of young age should haveenough sleep ，or they can't do their work very well. They will not be wise and they may not become。wealthy! .The body also needs exercise: walking, running, jumping, swimming, playing games and all other。exercise .Exercise keeps the body strong. Exercise also helps the blood to move around inside the.body .This is very important.Our blood takes food to all parts of our body.The head also needs.blood .Exercise helps us to think better.
根据短文内容 ，回答问题.
1.What does “early to bed .early to rise ”mean?
2.What must the body have to be healthy?
3.What will happen to Children of young age who don't have enough sleep?
4.What keeps the body strong?
5.What takes food to all parts of our body?
试述焊剂在焊接过程中的作用?
中国梦的实现需要我们共同奋斗。
人物一 一位科学家带着对国家和民族的责任 , 舍弃海外优越的科研和生活条件 , 回到国内 , 在 30 多平方米的旧实验室里白手起家。 他不畏挫折 , 克服重重困难 , 带领团队潜心研究 , 敢于突破 , 大胆实践 , 首创了全新的基因分型算法 , 构建出高密度的水稻单倍体型图谱 , 在水稻分子设计有种研究领域取得了一系列具有国际影响力的重要研究成果。
人物二 “择一业， , 精一事” , 这是一位荣获“全国技术能手”称号、从事零件精深加工的工人对“工匠”的理解。他苦练基本功 ,以“把每件产品当成自己的孩子来孕育”的态度对待工作。现在 , 即使闭上眼睛 , 他仅凭声音就能准确判断出刀具的走动位置 , 加工精度达到了相当于头发丝的 1/30 ～1/20 的 0.003mm,开启了全新的精深加工的微米时代。
(1) 说明上述两个人物的事迹突出体现了哪些精神。
生活中我们经常看到一些土壤、砖头是砖红色的，是因为其中含有+3价的铁，那么这种+3价的铁和氧形成的化合物的名称是什么?
什么是“休养生息”政策?西汉初年为什么实行这个政策?有何效果?
鸡蛋壳的主要成分是碳酸钙，那么碳酸钙是由什么元素组成的?