Ex.
1. People may have different opinions about Karen, but I admire her. _______, she is a great musician.（20xx 全国卷IV）
A. After all B. As a result C. In other words D. As usual
2. She is not to blame. ______ she is a _______ girl.
A. After all; five-year-old B. In all; five years old
C. After all; five-years-old D. In all; five-year-old
3. Mary failed to pass the maths examination, but she had tried her best __________.
A. as well B. after all C. in return D. at all
mix vt. & vi. 混合；拌和，搀和， 使（人、物）与……结合
mix … with/and … 把……与……混合
Put the flour, eggs, and milk into a bowl and mix them together. 把面粉、鸡蛋和牛奶放进碗里，然后把它们搅匀。
mix up 搅匀，使充分地混合；使混淆(confuse or mistake)，搞混，弄混
It’s easy to mix him up with his brother; they’re very much alike.
Some people don’t think English learning should be started from childhood. If young children study Chinese pinyin and English at the same time, it will be very easy for them to mix them up.
mixed adj. 混合的；男女混合的
mixture n 混合；混合物
interest vt.“使感兴趣” n. 兴趣，爱好；利益
interesting adj.“有趣的”“有意思的”
interested adj.“有兴趣的”“感兴趣的”
be/become interested in … 对……感兴趣
show/feel/have an interest in … 对……有兴趣
lose one’s interest in …对……失去兴趣
a place of interest 名胜
History interests him. 历史使他产生了兴趣。
Can you tell me why he is not interested in such an interesting problem?
as if / as though “似乎，仿佛，好象”
He acted as if nobody was around. 他表演着，旁若无人的样子。
Tim sounded as if he had a cold. 蒂姆听起来像是患了感冒。
It is very cloudy, It looks as if it is going to rain. 天上乌云密布，看来要下雨了。
当as if/as though表示的意义与现在的事实相反时，从句动词用过去式表示虚拟语气，be常用 were。例如：
They look very much like each other as if they were twins.
当as if/though表示的意义与过去的事实相反时，从句动词要用"had ＋过去分词"表示虚拟语气。例如：
Jack seems happy as if he hadn’t lost his bike.
as if / as though用在省略句中：
as if之后除了连接从句外，还可接名词、动词不定式、形容词（短语）、介词短语和分词。这时，也可把其看作是从句中省略了与主句中相同的主语和从句中的谓语动词be而得来的。例如：
She hurriedly left the room as if angry.
She stood at the door as if waiting for someone.
She opened her lips as if to say something.
Ex.
She had a tense expression on her face, ______ she were expecting trouble.
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Unit2 Growing pains单元学案（附练习答案）