根据短文内容,从短文后的选项中选出能填入空白处的最佳选项,并在答题卡上将该项涂黑。选项中有两项为多余选项。

A strong memory depends on the health and vitality (活力) of your brain. They say that you can’t teach an old dog new tricks, but when it comes to the brain, scientists have discovered that this old saying simply isn’t true. 1.

Give your brain a workout. Memory, like muscular strength, requires you to “use it or lose it”. The more you work out your brain, the better you’ll be able to process and remember information. 2.

Don’t skip the physical exercise. While mental exercise is important for brain health, that doesn’t mean you never need to break a sweat. Physical exercise helps your brain stay sharp. It increases oxygen to your brain and reduces the risk for disorders that lead to memory loss.

Get enough sleep. There is a big difference between the amount of sleep you can get by on and the amount you need to function at your best. 3.

Keep stress in check. Stress is one of the brain’s worst enemies. Over time, stress destroys brain cells. Studies have also linked stress to memory loss.

Have a laugh. 4. That holds true for the brain and the memory, as well as the body. Unlike emotional responses, which are limited to specific areas of the brain, laughter engages multiple regions across the whole brain.

5. Just as the body needs fuel, so does the brain. You probably already know that a diet based on fruits, vegetables, whole grains, “healthy” fats and lean protein will provide lots of health benefits, but such a diet can also improve memory. For brain health, though, it’s not just what you eat—it’s also what you don’t eat.

A. Eat a brain-boosting diet.

B. Play games with memory.

C. Laughter is the best medicine.

D. But oversleeping is not good for your brain.

E. Even skipping a few hours makes a difference!

F. You have to shake things up from time to time!

G. The human brain has an astonishing ability to adapt and change.

完形填空

阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。

It was 1952 and my father was away at war, leaving my mother and me behind to face hardship alone. I was ten. My mother was a ________ and worked at the local clinic a few blocks from where we lived.

The bell rang and ________of Christmas were the only thing on my mind. I raced home. The apartment was empty and a note was ________ to the refrigerator. My mother was working a double shift and ________ me instructions for the day. We had planned on making Christmas biscuits ________ , but my mother________ it.

I carefully ________through mother’s closet, finding most of the ________ for Christmas wrapped in linen cloth, all but one toy, a model airplane. I was still ________ at my mother and I threw the airplane onto the floor, breaking one of its wings. I stood ________ . How was I going to explain this? Then I heard my mother coming through the door. I ________ to my room.

After telling my mother the horrible________, I did not hear my mother ________ me. She just told me to follow her. Climbing the steps without catching our ________ , we entered the clinic. There in a bed was a boy who looked very sick.

“He is going to die, Danny,” my mother told me, “________ today, maybe tomorrow. He loves planes. I knew his mother could not ________ to buy him one. So I did. I count my blessings every night and think of this boy and how ________ I am that you are not in that bed.”

The ________ cut hard and sharp in my heart. The tears ________ down my face and I was so guilty. I ran home as fast as I could and into my room where I ________ myself to sleep.

1.A. saleswoman B. surgeon C. teacher D. clerk

2.A. thoughts B. memories C. desires D. hopes

3.A. written B. found C. attached D. sent

4.A. reminded B. provided C. saved D. left

5.A. alone B. soon C. together D. immediately

6.A. ruined B. refused C. forgot D. challenged

7.A. walked B. hunted C. broke D. got

8.A. toys B. gifts C. clothes D. supplies

9.A. anxious B. pleased C. mad D. eager

10.A. awake B. happy C. wild D. frozen

11.A. raced B. removed C. struggled D. wandered

12.A. note B. idea C. truth D. message

13.A. quarrel with B. shout at C. worry about D. cheer up

14.A. calmness B. sweat C. rest D. breath

15.A. Possibly B. Certainly C. Properly D. Regularly

16.A. encourage B. persuade C. afford D. force

17.A. wonderful B. grateful C. hopeful D. helpful

18.A. scolds B. comments C. phrases D. words

19.A. floated B. dropped C. slowed D. rolled

20.A. cried B. made C. turned D. moved

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