although和though有什么不同？
asleep和sleep呢？

1. although conj.
尽管, 虽然
Although it was so cold, he went out without an overcoat.
天气虽然很冷, 他没有穿大衣就出去了。
【说明】主句中不能再用连接词 but, 但可用副词yet, nevertheless 等。另外, 在多数情形下, 可与 though 通用, 也可简写为 altho 但在正式文件中, 不宜简写;它引导的句子一般放在主句前面,而though引导的句子位置灵活.
though conj 虽然, 尽管, 纵然, 即使
I'll call to see you this evening though I can stay only a few minutes.
今晚我一定去看你, 即使我只能停一会儿。
T-it was late, we decided to set out.
虽然已经晚了, 我们还是决定动身了。
Dangerous though it is ,I decided to go all the same.
adv.
可是, 然而, 不过; 话虽这样说
It's hard work, I enjoy it, though.
这是件艰难的工作, 可是我还是喜欢它

2.asleep adv.
睡眠
进入死的状态; 静止地
Their anxieties were put asleep.
他们不再忧虑了。
adj.
[用作表语]
睡的, 睡熟的
死的
发呆的, 不活泼的
(四肢)麻木的
静止状态的; 不动的
He is asleep.
她睡着了。
sleep v. He slept like a log last night.