1．用go的适当形式填空

　　①They observed him go upstairs.

　　②He was not observed to_go to the store.

　　2．完成句子

　　③我似乎没有注意到他在读书。

　　I seemed not to observe him_reading．

　　④我看到她微笑着走开了。

　　I observed_her_walk away with a smile.

　　⑤有人看到那女子紧跟着他。

　　The woman was_observed_to_follow him closely.

考点2 disadvantage n．不利，不利条件 　　 [教材原句]

　　Disadvantages of US trip

　　在美国旅行的不利因素

　　It's a disadvantage not to have a driving licence.

　　没有驾照是不方便的。

　　(1)at a disadvantage　　　　　 处于不利地位

　　to one's disadvantage 对......不利

　　advantages and disadvantages 优缺点；利与弊

　　(2)advantage n. 有利条件，有利因素，优势，优点

　　have an advantage over 比(某人)强；胜过；优于

　　take advantage of 利用(机会等)

　　at an advantage 处于有利地位

　　The present situation is to our advantage and we should take full advantage of it.

　　目前的形势对我们有利，我们应充分利用。

　　Each plan has its own advantages and disadvantages.

　　每个计划都各有利弊。

　　1．单句语法填空

　　①Her teaching experience gave her a big advantage over the other applicants for the job.

　　②We took advantage of the fine weather and spent the day at the beach.

　　③It will be to your advantage to study abroad.

　　④Anyone who can't use a computer is at a disadvantage.

2．完成句子