In our class there are 60 students, ________ a quarter wear glasses.

A．in whomB．in themC．of themD．of whom

D

解析試題分析：考察定語(yǔ)從句。本題定語(yǔ)從句的先行詞是60 students。在定語(yǔ)從句指whom指代先行詞作為介詞of的賓語(yǔ)。這里的of表示的是所屬關(guān)系。句意：在我們班級(jí)里有60個(gè)學(xué)生，其中有四分之一都戴眼鏡了。BC兩項(xiàng)不是定語(yǔ)從句。A項(xiàng)中的介詞搭配錯(cuò)誤。故D正確。
考點(diǎn)：考察定語(yǔ)從句
點(diǎn)評(píng)：本題是把定語(yǔ)從句中的介詞提前到關(guān)系代詞的前面，定語(yǔ)從句的關(guān)系詞前面的介詞有三種來(lái)源：先行詞的固定搭配，定語(yǔ)從句中的固定搭配，以及根據(jù)句子的意思選擇的介詞。

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科目：高中英語(yǔ) 來(lái)源：河北省邢臺(tái)一中2011－2012學(xué)年高二下學(xué)期第四次月考英語(yǔ)試題 題型：053

根據(jù)短文內(nèi)容，從短文后的選項(xiàng)中選出能填入空白處的最佳選項(xiàng)，選項(xiàng)中有兩項(xiàng)為選項(xiàng)．

Ea sy Way s to Keep Your Brain Sharp

　　Everyone i s forgetful, but a s we age, we start to feel like our brain s are slowing down a bit-and that can be a very annoying thing．　　1　　 Read on for some technique s worth trying．

　　1．　　2　　

　　People who regularly made plan s and looked forward to upcoming event s had a 50 percent reduced chance of Alzheimer' s di sea se(老年性癡呆癥)， according to a recent study．　　3　　 Something a s simple a s setting a goal to have a weekly coffee date with a friend will do．There' s evidence that people who have a purpo se in life or who are working on long or short-term goal s appear to do better．In other word s, keep your brain looking forward．

　　2．Go for a walk．

　　Mildly rai sed glucose(葡萄糖)level s can harm the area of the brain that help s you form memorie s and phy sical activity can help get blood glucose down to normal level s．In fact, exerci se produce s chemical s that are good for your brain．　　4　　

　　3．Learn something new．

　　Take a Spani sh cla s s online, join a drawing club, or learn to play card s．A study found that mental stimulation limit s the weakening effect s of aging on memory and the mind．But the be st thing for your brain i s when you learn something new and are phy sically active at the same time．　　5　　 Or you can ju st go dancing with your friend s．

A．Focu s on the future．

B．Thi s can be e specially harmful to the aged．

C．It should be something like learning gardening．

D．So take a few minute s each day to do some reading．

E．But don't worry if our schedule i sn't filled with life－changing event s．

F．Luckily, re search show s there i s a lot you can do to avoid tho se moment s．

G．In other word s, when you take care of your body, you take care of your brain．

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