Frightening nature教案
he listened as though he was turning to stone.
這孩子一動不動地聽著，仿佛變成了石頭似的。
(2)引導表語從句
e.g.it looks as if it's going to rain.
看樣子天要下雨了。
it seems as if i'm the first one here.
看起來我是第一個到這里的。
as though和as if從句用虛擬語氣，還是用陳述語氣。完全根據具體情況而定。如果
從句表示的意思與事實完全相反，或者純粹是一種假設，通常用虛擬語氣。
e.g.when a pencil is partly in a glass of water.it looks as if it were broken.
當鉛筆一部分放進水里，看起來好像折斷了似的。(虛擬)
you look as if you are friends.
你們看起來像朋友似的。
ⅲ.詞語辨析
1.earth，mud，dirt，soil
(1)earth作“泥土；土地”解(=soil)，一般不用冠詞。
e.g.don't forget to cover the root of the apple tree with earth.
不要忘記用土把蘋果樹根埋好。
that pile of earth came from the hole we dug in the ground.
那堆土來自我們在地上挖的那個坑。
(2)mud泥.形容詞是muddy。
e.g.rain turns dust into mud.
雨把塵土變成了泥。
he was cleaning the mud from his boots with a brush.
他正用刷子刷他靴子上的泥。
(3)dirt臟東西，污穢。
e.g.his clothes were covered with dirt.
他的衣服滿是污穢。
she washed the dirt out of the clothes.
她洗掉了衣服上的臟東西。
dirt也可作“土”解。
e.g.this is good dirt for growing vegetables.
這是好土可以用來種菜。
the children were outside playing in the dirt.
孩子們在外面的土里玩耍。
(4)soil土壤，土地。
e.g.most plants grow best in rich soil.
大部分莊稼在肥沃的土地上長得很好。
好的土壤是good soil，rich soil；貧瘠的土壤是poor soil；沙土地是sandy soil.
2.escape，flee，fly，run away
四個詞均有逃跑之意，escape和run away常作不及物動詞，如果是表示“從……
逃去”.在其后加from；flee是及物動詞。
(1)escape意為“逃跑，逃避，逃脫”，一般指為躲避不利于自己的環境或事物而離開。
常隱含著緊急，緊迫的意思，常用此詞指罪人逃跑或避免懲罰。