飞火+流萤
“is”的读音是：英 [ɪz] ；美 [ɪz] 。
vt.& vi时：是（be）的三单形式；
n.时：存在。
【造句】：
1.Beauty is an attitude. It has nothing to do with age.
美是一种态度，与年龄无关。
2.The best thing to do when entering unknown territory is smile.
踏入未知地带最好的对策就是微笑。
3.A miracle is something that seems impossible but happens anyway.
奇迹就是看似不可能，却发生了。
4.This is what we support.
这是我们所拥护的。
5.What is to become of me if you go away?
如果你走的话，我的结果将是怎样呢?
6.This is all I have.
这就是我的全部家当。
7.I agree that she is the ablest of us.
我承认她是我们之中最能干的一个。
8.He is the man of all others for the job.
他是所有人之中最适于干这工作的人。
9.She is not only a teacher of music, she composes.
她不仅是一位音乐教师，而且也会作曲。
10.He is the only poet in this country that deserves the name.
他是这个国家唯一的一位名副其实的诗人。
11.English poetry is one of their great heritages.
英国诗歌是他们的伟大遗产之一。
12.Sweat is an excretion.
汗是一种排泄物。
13.This is an unusual sign.
这是一种不寻常的迹象。
14.This is the basis on which our bilateral relations can and should continue to develop.
这是两国关系应得到继续发展，并可能得到继续发展的基础。
15.This is his calligraphy.
这是他的墨迹。
