bottle£¡This proves that air is all around and that it is pressing down on us.
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64£®Why is there the need to take care when you are doing the experiment?
A£®The bottle could break.
B£®You need to light the paper with a match. C£®The egg needs to be shelled.
D£®The egg has to be perfectly placed on the neck of the bottle.
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65£®In the experiment£¬the burning inside the bottle can________.
A£®equalize the air pressure inside and outside B£®make a seal in the neck of the bottle C£®finish up the oxygen inside the bottle D£®produce more oxygen inside the bottle
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66£®How did the egg get into the bottle?
A£®The oxygen inside the bottle sucked the egg in. B£®It became soft without the shell. C£®The neck of the bottle was wide enough. D£®The outside air pressure forced it into the bottle.
½âÎö£ºÏ¸½ÚÀí½âÌâ¡£¸ù¾Ý×îºóÒ»¶Îµ¹ÊýµÚ¶þ¾äÖеÄÄÚÈÝ¿ÉÖª¼¦µ°ÊÇÔÚÆ¿Íâ¿ÕÆøµÄѹÁ¦ ϵôÈëÆ¿Öеġ£ ´ð°¸£ºD
67£®The experiment is carried out to prove________.
A£®water pushes on your body when you swim underwater B£®the earth is surrounded by a layer of air called the atmosphere C£®the pressure of air around us has a powerful force D£®the air pressure is not equalized around us
½âÎö£ºÍÆÀíÅжÏÌâ¡£½áºÏµÚÒ»¶ÎÖеġ°Air pressure is a powerful force.¡±ºÍ×îºóÒ»¶Î ×îºóÒ»¾äÖеÄÄÚÈÝ¿ÉÍÆÖª¸ÃʵÑéµÄÄ¿µÄÊÇÖ¤Ã÷ÎÒÃÇÖÜΧµÄ¿ÕÆø¾ßÓкܴóµÄѹÁ¦¡£
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The first settlers to come over to America needed to become good farmers in order to survive.The agriculture industry has grown greatly since that time£¬and now there are many rewarding agricultural jobs.Many of the new agricultural jobs available these days deal with the new types of technology that are required to produce the crops that America demands.
The days of a family working on their land by hand and producing a small number of crops is over.Now new technologies are used to harvest a larger amount of crops in a shorter period of time.If you would like to get one of these new types of jobs in the agricultural industry£¬you should make sure that you stay on top of the new technologies available.
Many of these new jobs in the agricultural field include new technologies.Two of the new technologies that have created many new jobs in the agricultural industry are global positioning systems(GPS)£¬and biotechnology.
The GPS makes it possible for farmers to seed and harvest their crops in the best way possible.They can position all of their crops exactly where they'll be the most productive.
The biotechnology field has really helped the agricultural industry£¬because it has produced better and safer fertilizers(»¯·Ê) to be used on crops.Biotechnology has also helped farmers to better understand what helps to make their crops better.
Both of these new technologies are very interesting and offer many new opportunities.The agricultural industry still requires quite a bit of hard work to bring in a good crop£¬but now many people can take advantage of these improvements to make the industry a much better experience.
68£®It can be inferred from Paragraph 1 that ________.
A£®Americans have to be farmers in order to make a living B£®now there are many rewarding agricultural jobs C£®Americans may face a food crisis in the future
D£®agriculture has always been an important part in American history
½âÎö£ºÍÆÀíÅжÏÌâ¡£¸ù¾ÝµÚÒ»¶Î¿ÉÖª£¬µÚÒ»Åúµ½ÃÀ¹ú¶¨¾ÓµÄÈ˾ͿªÊ¼ÁËÅ©Òµ£¬¶øºóÅ© ÒµÒ²µÃµ½Á˺ܴóµÄ·¢Õ¹£»½ñÌì¿ÉÒԵõ½µÄÐí¶àÐÂÐÍÅ©Òµ¹¤ÖÖ£¬ÔËÓÃ(deal with)еļ¼ ÊõÉú²úÃÀ¹úÐèÒªµÄ×÷Î¿ÉÍƳöDÕýÈ·£»A¡¢CÏîÎÄÖÐûÓÐÏà¹ØÐÅÏ¢£»BÏîÊÇÎÄÖÐÖ±½Ó ÐÅÏ¢¡£ ´ð°¸£ºD
69£®What's the present situation of agriculture in America?
A£®Hard working is needed and productivity is not satisfactory. B£®New technologies are being used and productivity has increased. C£®Hard working is needed and fewer people like to farm.
D£®New technologies are being used and more people like to farm.
½âÎö£ºÏ¸½ÚÊÂʵÀí½âÌâ¡£¸ù¾ÝµÚ¶þ¶Î¡°Now new technologies are used to harvest a larger amount of crops in a shorter period of time¡±¿ÉÖªBÕýÈ·¡£ ´ð°¸£ºB
70£®How does the GPS help farmers?
A£®By helping farmers seed in the right place. B£®By helping farmers harvest at the right time. C£®By helping farmers choose the best seeds. D£®By helping farmers identify their crops.
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(2010¡¤»´°²Ô¿¼)Ever got stressed out because you weren't sure what you'd say at that morning meeting£¿Worried about what you'd look like after squeezing into last year's bathing suit?
Self¡Mconsciousness keeps us fighting that battle to control our self¡Mimage.But always worrying about our shortcomings certainly traps us in embarrassment and shame.When we introduce our friends to a colleague and forget her name£¬it's an embarrassing blow to our image£¬because we think others are viewing us in a negative light.If there are enough embarrassing moments that we begin viewing ourselves badly£¬then our self¡Mimage is ruined and we feel that heavy weight of shame.
Creating a belief of success in our lives is one way to end the frightening trap of embarrassment and shame.Successfully completing a difficult project at work builds confidence and leads to future success.Similarly£¬a satisfying relationship is a prideful accomplishment and helps motivate us to seek other such connections.
But how do we take that first brave step away from self¡Mconsciousness in order to feel like(and eventually become) a success£¿Kill shame¡Mcausing situations before they become a threat.The following points may be of some help.
Don't be late.Punctuality creates self¡Mdiscipline(×ÔÂÉ) and impresses both others and yourself.And it's a healthy habit that keeps you calm about the clock.
Stick to the facts.You're likely to get caught lying£¬so why bother£¿Lies just set you up with unnecessary opportunities to feel ashamed.
Cut the gossip(ÏÐÑÔËéÓï)£®Comments made behind your back make you feel upset and angry.Focus on deep£¬meaningful talks where every conversation can be a chance to realize a dream or accomplish an aim.
Don't break your promise.It feels good to be considered reliable£¬so honor your word no matter what the reasons are for disregarding them.Remember£¬a promise is a promise.
If the damage is already done and you find yourself at the tail end of an embarrassing situation£¬you can recover gracefully to avoid the feeling of shame.Don't speak in an angry way to cover your tracks¡ªyou'll just end up feeling worse and likely complicate a relationship that doesn't need complicating.Try laughing it off or explaining why you made the mistake.
Also£¬don't leave a social situation simply to avoid the people in front of whom you made a mistake¡ªavoidance will leave you feeling further ashamed£¬alone and unhappy.
Here's a very important point to remember£ºPeople tend to forget others' mistakes and think about their own.
Title£ºGetting (71)________ feeling self¡Mconscious
¡¤Don't know what to say at a meeting Occasions when you feel (72)________ or ashamed ¡¤Worry about your own appearance or (73)________ ¡¤(74)________ a friend's name when you want to make an introduction ¡¤Be on time Ways of avoiding self¡Mconsciousness ¡¤Don't (75)________ ¡¤Don't gossip ¡¤(76)________ your word ¡¤Don't speak (78)________ to cover your tracks ¡¤Try laughing off your mistake or making an Ways of (77)________ gracefully (79)________ Don't stay away from people who you've made a mistake in front of Don't always worry about your mistakes or Conclusion (80)________ because others don't care much about them ´ð°¸£º71£®over 72.embarrassed 73.image 74£®Forget 75.lie 76.Keep 77£®recovering 78.angrily 79.explanation 80£®shortcomings µÚÎ岿·Ö£ºÊéÃæ±í´ï(Âú·Ö25·Ö)
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Don¬ðt Hesitate to Say ¡°No¡±ª¥
Helping others is a traditional virtue in China.Helping those who are in difficulty is what we should promote.ª¥
However,in our everyday life,if what others want us to do is unreasonable or even illegal,I think we should say ¡°No¡± without any hesitation.Everyone has his own principle of doing things and we won¬ðt do anything opposite to the right principle.If we did,it would do nothing but harm to others and ourselves.In other cases,if the request from others is reasonable but beyond our ª©abilityªª,what we should do is just to say ¡°No¡±,too.Never promise others what we can¬ðt do.If we can¬ðt keep our promise,we will be considered dishonest.ª¥
In a word,if we don¬ðt want to get into unnecessary trouble,just say ¡°No¡± when quite necessary.