高二英語教材知識點總結及重難點解析Unit18-18
☆交際用語☆
1. i'm sure i would be able to...
2. if i..., i would be able to...
3. i would need help to...
4. it would be difficult to...
5. i would try to...
6. this invention can help people...
7. this is a new way of...
8. how does it work?
9. what's it made of?
10. how would people use it?
☆單詞聚焦☆
1. ability n. 能力
what a pity. he has the ability to learn, but he doesn't want to. 很遺憾，他有能力學，然而不想學。mary is a woman of great ability. 瑪麗是個很有能力的女子。the school cares for children 0f different abilities. 學校關心不同才能孩子的需要。
3. adjust v. 調整，使適應，使適合 she carefully adjusted her clothes and her hair before going out. 她出門之前仔細地整了整衣服和頭發。he is unable to adjust themselves to their environment. 他們不能調整自己以適應環境的變化。please do not adjust your set, eg as a warning on a tv screen that the controls do not need to be changed. 請勿自行調節，如電視機屏幕上的警告語句，意為各項操作裝置無需更改。
【考點2】appear 的用法
▲ 構詞：
① appearance n. [c；u]
1. 出現，露面
2. 容貌
② disappear v. 消失
③ disappearance n. 消失
④ reappear vi. (再)出現
⑤ reappearance n. (再)出現
▲搭配：
① at first appearance 初看起來
② make one's firrst appearance 首次登場；首次登臺演出
▲ 句型：it appears that…看來……
▲ 辨析：appear；look；seem
該組詞均表示“似乎”，但強調點不同：seem暗示該判斷
有一定的根據，往往接近于事實；look著重于通過視覺
得出的印象；appear強調外表看起來給人的印象而事
實上或實質上并非如此。句子結構有同有異：均可跟
形容詞；均可跟介詞like + 名詞或like + 動名詞；均可接
不定式作表語。seem和appear可跟從句。而look則不
能；look和seem可跟as if從句，而appear則不能；
seem和appear可川于it seems / appears that-clause
中，而look不能；seem和appear可用于there seems /
appears to be...中，而look不能。例如：
the noise appeared to be endless. 這喧鬧聲好像永無休止。
there appears to be no student in the classroom. 教室里
似乎沒有一個學生。
the stars look very smail only because they are much far—
ther away. 星星看上去很小，僅僅是他們太小的緣故。
it seems as if it is going to rain. you'd better take your
umbrella with you. = it looks like rain. you'd better
take your umbrella with you. 天好像要下雨，你最好帶
把雨傘。
his father seems much better today. 他爸爸今天似乎好
多了。
the baby seems to be sleeping.don't make so much
noise. 孩子好像在睡覺，別這么吵。
it seems that he is lying. 看樣子他好像是在撒謊。
there seems to be an important meeting tonight. 今晚
好像有個重要會議。
【考例2】(上海)do let your mother know ail the