4月7日听写
今天听了四篇.感觉注意力不集中.最近又惶惶不知所措了,好多事.晚上十二点后开电脑写篇作文.5 X" X# H1 E0 ]" _/ g. [
心理学第二篇& P {+ J* m& M$ y3 X I! D
Listen to a radio broadcast about sleep.
% o" v: S8 D' e$ a' Q- u; y# bDo you have trouble sleeping at night? Then maybe this is for you. When you worry about needing sleep and toss and turn trying to find a comfortable position, probably only making matters worse. What happens when you do that? Is that your heart rate actually increases, make it more difficulty to relax. You may also have some bad habits that contribute to the problem. Do you rest frequently during the day, do you get virtually no (known) exercise, or do you exercise strenuously late in the day. Are you preoccupied with sleep, or do you sleep late on weekends? Any or all of these factors might be leading to your insomnia by disrupted your body’s natural rhythm. What should you do then on those sleepless nights? Don’t bother with sleeping pills. They can actually cause worse insomnia later. The best thing to do is drink milk or eat cheese or tuna fish. These are all rich in amino acids and help produce a neurotransmitter in the brain that induces sleep. These neurotransmitter will help you relax, and you will be on your way to getting a good night’s sleep. Until tomorrow’s broadcast, this is another in the series H for good health
! l3 q6 a ^5 ~2 c% A历史学第12篇
7 y: o2 S( G/ T! {) Z4 ~; WListen to part of a history lecture.
/ u8 ]: O. l/ m) |Last week we talked about Ann, a role of woman in P colonies. Today, I want to talk about some other women who’ve contributed to American history, some famous and (then) some not so famous. The first woman I’d like to talk about is MP. Those if you who are familiar with the name, may know her as a hero of the American Revolution. But in fact, there never was a woman named MP. Her real name was actually MRH. She got a nickname A for her actually bravery in during the Revolutionary War. As the story goes, when M’s or M’s husband J enlisted in the artillery, M followed, like many other wives did. She helped out doing washing and cooking for the soldiers. She was known as a pretty unusual woman. She smoked a pipe and chewed tobacco. Any way, in the summer of 1778, at the battle of M, it was a blistering hot day, may over 100 degrees, and fifty of soldier died of thirst during the battle. M wasn’t content to stay back at camp, instead, she run through gun shots and cannon fire, carrying water in pitchers from a small stream, out to the thirsty American soldiers. The relief that she brought with her pitchers of water gave her the legendary nick name, MP. The story also says that she continued to load and fire her husband’s after he was wounded. They say she was so well liked by the other soldiers that they called her Sergeant M. In fact, L has it that GW himself gave her the special military title. , [7 L y5 Z4 G
生物学第五篇
: l: ? e, t5 L: L! e2 a' mListen to part of a lecture in a zoology class.
, F3 _% d5 [9 B% l: s& ?+ q9 SBefore I tell you about the interesting discovery related to T, I need to review something we studied last semester, the difference between what are commonly called cold blooded and warm blooded animals. In warm blood animals birds and mammals for example, the body temperature normally stays with a narrow range, no matter what the outside temperature is. As a result, a warm blooded animal is usually active in both cold and hot weather, because its body temperature can adjust to the temperature of its environment. On the other hand, cold blooded animals such as most reptiles, amphibians and insects are unable to create enough heat internally to raise their temperature above temperature of the environment, so for example, the temperature of a cold blooded animal falls when the environment is cool. I hope the distinction is clear, now, move on to the T. You may know that dinosaurs being reptiles are generally believed to have been cold blooded. Well, a recent research study found that the chemical compositions of the bones of T was consistent with bones of the animal that a have very narrow range of the internal temperature, indicating that it was probably warm blooded. ; R! g3 }; J! m6 |/ B9 k+ Y% w
历史学第十三篇1 R- y0 b, Q# ]( A) Z7 M
Listen to a talk given at the beginning of a nature walk at a national park. 5 E% e4 g4 g' x1 Y \
Welcome to Yellow Stone national park, before we begin our nature walk today, I’d like to give you a short history of our national park service. The national park service began in late 1900s. A small group of explorers had just completed a month long exploration of the region that is now Yellow Stone. They gather around the camp fire and after hours of discussion, they decided that they should not claim this land for themselves. They felt that it should be accessible to everyone. So they began the campaign to preserve this land for everyone’s enjoyment. 2 years later, in the late 19th century, an active congress signed by president UC proclaimed the Yellow Stone region a public park. It was the first national park in the world. After Yellow Stone become a public park, many other areas of great scenic importance were set aside, and in 1960s, the national park service was established to manage these parks. As the park ranger, I am an employee of the park service. In the national park, park rangers are on duties at all the time to answer questions and help visitor in any difficulty. Nature walks, guided tours and camp fire talks are offered by specially trained staff members. The park service also protects the animals and plant within the parks.