其实现在已经有了，只是应用还不普及。{:soso_e100:}
请教
How bright stars appear depends on their distance from Earth, how large theyare, and their different temperatures,or how hot they burn. Scientists
can use a powerful telescope to observe the stars closely and find out
more about them. 其中How bright stars appear depends on their distance from Earth，的How如何理解
星星有多亮取决于它离地球的距离。 星星的亮度，取决于它们和地球之间的距离，它们的大小，以及....
or
星星看上去有多么明亮，取决于...
求教
Read, read, read. And keep a journal to write whatever comes intoyour mind.如何理解这一句阅读，阅读，阅读，然后用一本日记把你想到的东西记下来。 thank you very much.I know.
求教
An author writes to entertain, inform, or explain.As you read, stop and summarize what you have read. Then ask yourself,"Why did the author write this information?" 其中An author writes to entertain, inform, or explain.如何理解求教
Then I went to school and learned to make whatthey called "real letters." My writing was the
prettiest in the class, with straight straight lines
and round round lines. It was perfect. And it was
perfectly backwards.
I didn't just mix up b's and d's. That's easy to do because they
look so much alike. My letters started at the right (well, wrong)
side of the paper and marched across, pretty as could be-and
backwards.
其中I didn't just mix up b's and d's. That's easy to do because they
look so much alike. My letters started at the right (well, wrong)
side of the paper and marched across, pretty as could be-and
backwards. 如何理解
letter 是字母, And it was perfectly backwards 我理解是逆向书写很完美.
下面那段就不难理解了, 大意指他可从纸的右面逆向完美地书写 我理解是一个作家写作是去给人娱乐, 告知或解释 同意sandydad,一个作者写作是为了给读者提供娱乐，提供信息，或提供解释。这些句子应该是教人如何阅读的书上出现的吧。通过一般作者的写作意图，来告诉读者如何去阅读。 这些句子、词汇等在加州教材里是频繁出现的，不是在课文里，是在课后或课前的部分。
以上解释是正确的。
作家写作的目的。
请教
I also learned that teaching was fun and that children have fantasticimaginations. So my favorite subject to teach was-writing!
One day a friend said, "You should write a children's book."And I
thought, "I spent ten years in second grade, so I know a child from a
chicken. Maybe I should."
其中so I know a child from a chicken.如何理解
请教
Practice must have helped each story get a littlebetter, for on my seventh try no book came back. Just a "Yes please."
That's called an acceptance. I was beside myself with joy and
excitement. I was the first author I had ever met. 其中for on my seventh try no book came back.的for on 如何理解
请教
Often I couldn't come up with a singleidea, and my stories got stuck in the
middle, and I couldn't think of a title,
and I had trouble making the changes
my teacher wanted me to make, and I lost my pencils, and I wondered
why I was doing this, and I got very very VERY frustrated. 其中and I lost my pencils如何理解
丢了铅笔？丢三落四的毛病
请教
I used to think that writing had to be done at a special time,while sitting at a desk. But slowly I discovered that I could
write anytime. And anywhere.I especially like to write when I'm
bored, because then I'm not anymore. 其中because then I'm not anymore. 如何理解
我的理解是 I'm not (bored) anymore
I especially like to write when I'mbored, because then I'm not bored anymore.
可能是这个意思 so I know a child from a chicken---可理解为：所以很了解一个胆小甚至有些笨笨的孩子是如何成长的？
chicken---you are a chicken
求教
I tried chicken stew from Kenya, German sausages, Greek salad, andmore. All of it was delicious!
Not only did I eat a world of food, I met a world of families, too. We all
did. What a day! 其中Not only did I eat a world of food的did 是什么用法
not only 因为开始是not 所以后面得倒装吧。 是倒装句，not only提前所以助动词也提前了
请教
Most students in our school do well in the study of mathematics, with those in that school. A. compare B. to compare C. comparing D. compared选择哪一个 D。。。。。。 D............ 我选D，娱乐下啊。等正解 D，主语most students in our school是被比较奥，不是自己主动比较
求教
The monks stirred and the pot bubbled. Howgood it smelled! How good it would taste! How
giving the villagers had become! 其中How
giving the villagers had become!如何理解