Sending Messages绘本电子版+MP3百度网盘免费下载
适合年龄
8岁左右
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Have you ever written someone a note?
Have you ever sent an email?
If so, you were sending a message
People have always found ways to send messages to each other
The way we send messages has changed over time
Each change has allowed people to send messages farther and faster
Beating on a drum was one of the earliest ways to send a message
Some of the earliest drums were hollow logs
People beat on the logs with large sticks
This sent signals a long distance
Sometimes drumbeats could be heard several miles away
Different drumbeats meant different things
One might send a warning of danger
Another might announce that a meeting was going to take place
中文翻译：
你有没有给别人写过一封信?
你发过电子邮件吗?
如果是，你在发送消息
人们总是找到方法互相发送信息
我们发送消息的方式随着时间的推移而改变
每一个更改都允许人们发送越来越快的消息
敲打鼓是最早传递信息的方法之一
最早的一些鼓是空心圆木
人们用大棍子在木头上打
这发出的信号距离很长
有时，几英里外可以听到鼓声
不同的鼓声意味着不同的东西
有人可能发出危险警告
另一个可能会宣布会议将举行
RAZ按难度分为27个级别，AA—C这4个级别对应幼儿园阶段; D—J这7个级别对应美国小学一年级;K—P这6个级别对应美国小学二年级;Q—T这4个级别对应美国小学三年级;U—W这3个级别对应美国小学四年级;X—Z对应美国小学五六年级(相当于国内高中毕业)。
从英语学习者的角度来说，L级事实上已经达到初中毕业的水平，词汇量达到600或以上，语法上已经涉及国内初中重要的所有语法(各种时态，灵活的副词和形容词，形象的动词词组，定语从句，宾语从句，状语从句等)。