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18£®Smaller than your fist£¬your healthy heart just goes on and on£®It will beat more than 60times a minute for 70years or more£®That's something that most of us take for granted£®But it's an amazing fact£®60times a minute for 60minutes is 3£¬600times£®What physical thing can most of us do 3£¬600times in one hour£¿Blink£¿Maybe£®Tap our fingers on the desk£¿No£®Jump up and down£¿Certainly not!But our heart keeps beating£¬hour after hour£®Every day£¬it pumps almost 2£¬000gallons of blood through our blood vessels£¨Ñª¹Ü£©£®It takes you about five years to drink 2£¬000gallons of water£®
And£¬unlike your knees or your back£¬your heart does all this work without ever complaining£¨±§Ô¹£©!You never know that it's even there£®Your heart is such a reliable"silent partner"that people forget to care for it£®For many£¬the first indication£¨¼£Ïó£©that their heart isn't working properly is a serious heart illness!Over 650£¬000Americans die of some kind of heart disease every year£®Cancer kills 560£¬000£¬stroke kills 143£¬000£¬and accidents kill 118£¬000Americans annually£®
Like accidental deaths£¬many heart disease-related deaths can be avoided if people simply follow the advice of the experts£®Unfortunately£¬most people seem to listen to a little voice in their head that says£¬"It won't happen to me£®"So these people keep on smoking and drinking£®They continue to eat too much meat£®And their only"exercise"is getting off the sofa to get something out of the fridge£®Please follow the following steps to keep your heart healthy£®
71£®The text is most probably taken from a £¨an£©C£®
A£®art book
B£®science fiction
C£®healthy magazine
D£®psychology book
72£®Which of the following physical activities can keep going on and on£¿D
A£®Blink£® B£®Jump£® C£®Finger tap£® D£®Heart beat£®
73£®According to the numbers mentioned in paragraph 3£¬we can knowB£®
A£®Accidents can be the biggest"killer"in America every year£®
B£®In America£¬heart disease causes the highest death rate annually£®
C£®Cancer causes more threat than any other diseases for Americans£®
D£®Recently£¬nobody died of stroke or heart disease in America£®
74£®What do we know about our healthy hearts£¿C
A£®our healthy hearts work with many complains as our knees£®
B£®our healthy hearts can pump 3£¬600gallons of blood everyday£®
C£®our healthy hearts are smaller than our fists£®
D£®our healthy hearts can beat 60times in one hour£®
75£®What do you think the next paragraph is about£¿A
A£®Some tips for keeping a healthy heart£®
B£®Some suggestions for avoiding accidental deaths£®
C£®Some reasons for doing regular exercise£®
D£®Some exercise for keeping a healthy lifestyle£®
·ÖÎö ÎÄÕÂÖ÷Òª½éÉÜÁ˺ÍÎÒÃǵÄÐÄÔàÓйصÄһЩ֪ʶ£¬Ç¿µ÷ÁËËüÔÚÎÒÃÇÉú»îÖз¢»ÓµÄ²»¿ÉºöÊÓµÄ×÷Ó㬲¢ºôÓõÎÒÃǾ¡Ôç±£»¤ÐÄÔ࣬¶ø²»Òªµ½Ê±ºòÔÙºó»Ú£®
½â´ð 71£®CÖ÷Ö¼´óÒâÌ⣮ÎÄÕÂÖ÷Òª½éÉܺÍÐÄÔàÓйصÄ֪ʶ£¬³«µ¼½¡¿µµÄÉú»î·½Ê½£¬¿ÉÖªÊÇ´Ó½¡¿µÔÓÖ¾ÉϳöÏÖµÄÎÄÕ£¬ËùÒÔÑ¡ÔñC
72£®Dϸ½ÚÌ⣮¸ù¾ÝÎÄÕµÚÒ»¶Îyour healthy heart just goes on and on£¬¿ÉÖªÐÄÌøÊÇ¿ÉÒÔÒ»Ö±²»Í£µÄ³ÖÐøÏÂÈ¥µÄ£¬ËùÒÔÑ¡ÔñD
73£®BÍƶÏÌ⣮¸ù¾ÝµÚÈý¶ÎÁоٵļ¸¸öÊý×Ö£¬¿ÉÖªÐÄÔಡÔì³ÉµÄËÀÍöÊÇÃÀ¹úËÀÍöÈËÊýÖÐÕ¼×î¶àµÄ£¬ËùÒÔÑ¡ÔñB
74£®Cϸ½ÚÌ⣮¸ù¾ÝµÚÒ»¶ÎµÄSmaller than your fist£¬your healthy heart just goes on and on£¬¿ÉÖªÐÄÔà±ÈÈÍ·»¹ÐèҪС£¬ËùÒÔÑ¡C
75£®AÍƶÏÌ⣮¸ù¾ÝÎÄÕÂ×îºóÒ»¾ä»°Please follow the following steps to keep your heart healthy£®£¬¿ÉÖª½ÓÏÂÀ´Òª½éÉÜÓйØÐÄÔཡ¿µµÄÌùÊ¿£¬ËùÒÔÑ¡A
µãÆÀ ±¾ÎÄÊǽ¡¿µ»·±£ÀàÔĶÁÀí½â£®×öÕâÀàÌâ²ÄÔĶÁÀí½âʱҪÇó¿¼Éú¶ÔÎÄÕÂͨ¶ÁÒ»±é£¬×öÌâʱ½áºÏÔÎĺÍÌâÄ¿ÓÐÕë¶ÔÐÔµÄÕÒ³öÏà¹ØÓï¾ä½øÐÐ×Ðϸ·ÖÎö£¬½áºÏÑ¡ÏîÑ¡³öÕýÈ·´ð°¸£®ÍÆÀíÅжÏÌâÒ²ÊÇÒªÔÚץס¹Ø¼ü¾ä×ӵĻù´¡ÉϺÏÀíµÄ·ÖÎö²ÅÄܵóöÕýÈ·´ð°¸£¬ÇмɺúÂҲ²⣬һ¶¨Òª×öµ½ÓÐÀíÓоݣ®
"Hey£¬look!"exclaimed Rahim£®"Those two men are£¨42£©B heavy rocks£®I thought we no longer do muscle labour in this technological £¨43£©D"£®
"You don't £¨44£©B a crane£¨ÆðÖØ»ú£©to unload less than a dozen rocks£¬do you£¿"smiled Joshua£®
"But those men don't £¨45£©D to have muscles at all£®"said Michael£¬rather surprised£®Joshua smiled£®
"They are£¨46£©B labourers who know how to spread the weight of the rocks they£¨47£©C£®See how the man positions the rock just at the slope of his £¨48£©A£®Some of the rock's weight is set £¨49£©Bhis head£¬some on the right hand and some on the left hand£®His body isn't bent£®His legs are well£¨50£©C£®"
"You're right£¬Josh£®He may have a small build£¬£¨51£©A he certainly knows his job well£®Dear me!And to think we have been studying £¨52£©B!"Rahim thought about all that was happening£®Suddenly£¬he said£¬"Technology won't £¨53£©D the human being completely£¬it appears£®"
"I don't think it will£®"£¨54£©A Joshua£®"You can harvest a crop of potatoes or wheat with one of those large£¬multi-purpose tractors£¬but you £¨55£©Cuse that equipment to harvest tea leaves and tomatoes£¬will you£¿"
"You can get a computer to £¨56£©Dmultiple-choice assessments£¬but you cannot get the computer to produce or assess essays£¬can you£¿"asked Michael£®
"Well£¬the washing machine leaves my shirt collar quite as £¨57£©Aas ever-that's domestic technology for you!"said Rahim£®
"One day£¬perhaps£¬there won't be anybody £¨58£©Cwho can carry a large rock the way those men do£®It's not going to be a very £¨59£©Aworld£¬I'm afraid£®"sighed Michael£®
"You're too much of a pessimist£¬Mike£®"said Joshua£®"£¨60£©D will always be other things that will make the world exciting£®"
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