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¡¾ÌâÄ¿¡¿Directions : Translate the following sentences into English£¬using the words given in the brackets.

¡¾1¡¿ÎÒÃÇËù²»ÄÜ´íʧµÄÊÇÔÚѧУÀï²éȱ²¹Â©µÄ±¦¹óʱ¼äºÍ»ú»á¡£(afford)

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¡¾2¡¿ÕâÁ½ÈËÔÚÄÜÁ¦ÉÏÆì¹ÄÏ൱£¬µ«Ç°ÕßÒòΪ¾­ÑéÂÔʤһ³ï¡£(advantage)

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¡¾3¡¿ÎÒ¶ÔÄǸöÀúÊ·Òż£Ò»ÎÞËùÖª£¬Ö±µ½Ëû¸æËßÎÒËûÔÚÄÇÀïÂÃÓÎʱµÄËù¼ûËùÎÅ¡£(inform)

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¡¾4¡¿ËûÕý±¥ÊÜθÌ۵ļ尾£¬Í»È»Ïëµ½¹ñ×ÓÀïÅöÇÉÓÐÒ©¿ÉÒÔ»º½âËûµÄÍ´¿à¡£(happen)

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¡¾1¡¿What we cannot afford to lose is the precious time and chance to find problems and fix them at school.

¡¾2¡¿These two men are equal in ability, but the former has an advantage because of his experience.

¡¾3¡¿I was ignorant of that historic site until he informed me of what he had seen and heard during his trip there.

¡¾4¡¿He was suffering from stomachache when it occurred to him that there happened to be medicine in the cupboard to relieve his pain.

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¡¾1¡¿¿¼²éÖ÷Óï´Ó¾äºÍaffordµÄÓ÷¨¡£afford to do±íʾ¡°¸ºµ£µÃÆð¡¢×ãÒԳе£¡±£¬±¾¾äʹÓÃwhat¡­is that¡­µÄÖ÷ϵ±í½á¹¹£¬whatÒýµ¼Ö÷Óï´Ó¾ä²¢ÔÚ´Ó¾äÖÐ×÷¶¯´ÊloseµÄ±öÓ½²ÊöµÄÊǿ͹ÛÊÂʵ£¬Ó¦¸ÃÓÃÒ»°ãÏÖÔÚʱ£¬Ö÷ÓïΪwhat¡­£¬Ïµ¶¯´ÊΪis£¬±íÓïΪthat´Ó¾ä£¬¹Ê·­ÒëΪ£ºWhat we cannot afford to lose is the precious time and chance to find problems and fix them at school.

¡¾2¡¿¿¼²é¹Ì¶¨¶ÌÓï¡£be equal in±íʾ¡°ÔÚ¡­¡­ÉÏÏ൱¡±£¬have an advantage±íʾ¡°ÓÐÓÅÊÆ¡¢ÂÔʤһ³ï¡±£¬because of±íʾ¡°ÓÉÓÚ¡±£¬ºóÃæ½ÓÃû´Ê»òÃû´ÊÐÔ¶ÌÓï×÷±öÓ½²ÊöµÄÊǿ͹ÛÊÂʵ£¬Ó¦¸ÃÓÃÒ»°ãÏÖÔÚʱ£¬¹Ê·­ÒëΪ£ºThese two men are equal in ability, but the former has an advantage because of his experience.

¡¾3¡¿¿¼²é¹Ì¶¨¶ÌÓïºÍ±öÓï´Ó¾ä¡£be ignorant of±íʾ¡°²»ÖªµÀ¡±£¬inform sb of sth±íʾ¡°Í¨ÖªÄ³ÈËijÊ¡±£¬Óï¾³±íÃ÷ÊÂÇé·¢ÉúÔÚ¹ýÈ¥£¬Ó¦¸ÃÓÃÒ»°ã¹ýȥʱ£¬informed me ofºóµÄ²¿·ÖΪ±öÓï´Ó¾ä£¬´Ó¾äµÄ¶¯×÷·¢ÉúÔÚÖ÷¾ä¶¯×÷֮ǰ£¬Ò²¾ÍÊǹýÈ¥µÄ¹ýÈ¥£¬Ó¦¸ÃÓùýÈ¥Íê³Éʱ£¬±öÓï´Ó¾äÖеÄhad seen and heardȱÉÙ±öÓËùÒÔÓÃwhatÒýµ¼Õâ¸ö±öÓï´Ó¾ä£¬¹Ê·­ÒëΪ£ºI was ignorant of that historic site until he informed me of what he had seen and heard during his trip there.

¡¾4¡¿¿¼²é¹Ì¶¨¶ÌÓïºÍ¹Ì¶¨¾äʽ¡£be doing when±íʾ¡°ÕýÔÚ×ö¡­¡­Õâʱ£¨Í»È»£©Ä³Ê·¢Éú¡±£¬it occurs to sb that±íʾ¡°Ä³ÈËÏëÆðijÊ¡±£¬there happens to be±íʾ¡°ÅöÇÉ/¸ÕºÃÓС±£¬suffer from±íʾ¡°ÔâÊÜ¡¢±¥ÊÜ¡­¡­Ö®¿à¡±£¬ÊÂÇé·¢ÉúÔÚ¹ýÈ¥£¬Ó¦¸ÃÓÃÒ»°ã¹ýȥʱ£¬¹Ê·­ÒëΪ£ºHe was suffering from stomachache when it occurred to him that there happened to be medicine in the cupboard to relieve his pain.

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¡¾ÌâÄ¿¡¿ Everyone has moments of forgetfulness from time to time, especially when life gets busy.

¡¾1¡¿, having a poor memory can be frustrating. However, research has shown that there are ways to improve your memory.

Sleep on it

Sleeping well helps make episodic memories stronger. ¡¾2¡¿, especially relating to learning motor skills, such as learning to play a musical instrument or ride a bike. Having a full night¡¯s sleep soon after gaining a new skill helps strengthen the processes involved.

Believe to remember

Positive thinking appears to improve memory performance. Researchers found they could improve the performance of people aged 60 and above in memory tests by presenting them with positive age-related words such as ¡°wise¡±, and ¡°sharp-witted¡±. ¡¾3¡¿. Brain scans have shown differences in activity levels in brain regions, according to whether or not individuals believe they have good recall abilities or not.

¡¾4¡¿

Memories can be weakened if the brain doesn¡¯t have enough downtime to strengthen them. More than a century ago, German scientists showed that people performed almost twice as well in memory tests if they took breaks.

Stay social

¡¾5¡¿. US scientists who asked people in their 50s and 60s to do memory tests every other year found there is a slower decline in recall abilities of their most so ciable persons. Having good friends, volunteering and other forms of social engagement also protect memory.

A. Take a break

B. Stay mentally active

C. Having an active social life delays memory loss as we age

D. Poor sleep is thought to have a significant effect on memory

E. Giving others words such as ¡°forgets¡± and ¡°confused¡± weakened their performance

F. While this can be a completely normal occurrence

G. There is evidence that sleep plays a vital role in strengthening memories

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