河北省2012高考英语二轮复习专题训练:阅读理解(82).doc
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1、河北省2012高考英语二轮复习专题训练:阅读理解(82)阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。 A What time is it?Most people are pretty accurate in their answer. And if you dont know for sure, its very likely that you can find out. There may be a watch on your wrist; there may be a clock on the wall, desk, or computer screen; or
2、maybe youre riding in a car that has a clock in the dashboard .Even if you dont have a timepiece of some sort nearby, your body keeps its own beat. Humans have an internal clock that regulates (调节) the beating of our heart, the peace of our breathing, the discharge (排出) of chemicals within our blood
3、stream, and many other bodily functions.Time is something from which we cant escape. Even if we ignore it, its still going by, ticking away, second by second, minute by minute, hour by hour. So the main issue in using your time well is, “whos in charge?” We can allow time to slip by and let it be ou
4、r enemy. Or we can take control of it and make it our ally.By taking control of how you spend your time, youll increase your chances of becoming a more successful student. Perhaps more importantly, the better you are at managing the time you devote to your studies, the more time you will have to spe
5、nd on your outside interests.The aim of time management is not to schedule every moment so we become slaves of a timetable that governs every waking moment of the day. Instead, the aim is to permit us to make informed choices as to how we use our time. Rather than letting the day go by, largely with
6、out our awareness, what we are going to discuss next can make us better able to control time for our own purposes.1.The underlined word “ally” in Para.3 most likely means somebody or something that is_.A. your slave and serves you B. your supporter an helps youC. under your control and obeys you D.
7、under your influence and follows you2. The author intends to tell us that time _.A. could be regulated by a timepiece such as a clock or a watchB. could be managed by the internal clock by human bodiesC. should be well managed for our own interestD. should be saved for outside interests3.In the next
8、 part, the author would most probably discuss with you _.A. how to keep up with the times B. how to make up for lost timeC. how to have a good time D. how to make good use of time BAt night, bats fly through the air, catching hundreds of insects and other small animals. But during the day, they hard
9、ly move at all. Instead, bats pass the time hanging upside down from a secret spot.There are a couple of reasons why bats rest this way. First of all, it puts them in a position for takeoff. Unlike birds, bats cant fly into the air from the ground. Their wings dont produce enough lift to take off fr
10、om a dead stop, and their hind legs are so small and underdeveloped that they cant run to build up the necessary takeoff speed. Instead, they use their front claws to climb to a high spot, and then fall into flight.During the hours when most enemies are active, bats gather where few animals would th
11、ink to look and most cant reach. This allows them to disappear from the world until night comes again. Theres also little competition for these resting spots, as other flying animals dont have the ability to hang upside down.Bats have a unique physiological adaptation that lets them hang around this
12、 way without using any energy. For you to hold your fist around an object tight, you contract(紧缩)several muscles in your arm, which are connected to your fingers by tendons(腱);as one muscle contracts, it pulls a tendon, which pulls one of your fingers closed. A bats talons(爪)close in the same way, e
13、xcept that their tendons are connected only to the upper body, not to a muscle. To hang upside down, a bat pulls its claws open with other muscles. To get the talons to take hold of the surface, the bat simply lets its body relax. The weight of the upper body pulls down on the tendons connected to t
14、he talons, causing them to hold tight. Therefore, the bat doesnt have to do anything to hang upside down.4. Bats hang upside down because_A. they havent developed a pair of strong claws B. they cant start to fly from the ground directlyC. they have no hind legs to support their body D. they cant fin
15、d quiet places to stay during the day5. The third paragraph tells us that bats hanging upside down_.A. is to save their energy for night movement B. is a way to fight against flying animalsC. is a great way to hide from danger D. is a skill to compete for the flying places6. Why can bats hang upside
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