In our class ,when the bell rang and the teacher closed his book ,it was a ________for everyone to stand up .

A.signal

B.chance

C.mark

D.measure

 

【答案】

A

【解析】這題考查名詞詞義辨析:signal信號(hào),chance機(jī)會(huì),mark標(biāo)志,measure 衡量,句意是:在我們班,當(dāng)鈴響了,老師合上書這是一個(gè)信號(hào),說明大家要站起來了。選A。

 

練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目:高中英語 來源: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.

查看答案和解析>>

同步練習(xí)冊(cè)答案