学校为学生选after class activity，你推荐哪种
The after school activity I enjoy participating in the most is taking photos for the
following reasons. First off, photography teaches me how to appreciate life. I started
paying more attention to my surroundings since I began taking photos. I've learned you can find beauty in the most unlikely places if you slow down and take a closer look. For example, an ordinary manhole can become a cute funny face if you shoot it from a certain angle. Also, photography brings me closer to nature. I used to be a bit of a shutin. But ever since I got interested in photography, I spend most of my weekends in parks taking photos. I've even lost a few pounds thanks to the long walks I took finding pretty things to shoot!
I prefer to let machines take care of things like doing the dishes or laundry for the
following reasons. First of all, machines can be such a time-saver. Think about it, it
takes us about 20 minutes doing dishes everyday, that's almost two hours a week, eight hours a month! Wouldn't it be nice to just let the machines do it for us so we can use that time to read a decent book or enjoy some of our favorite music? Also, machines do a better job at these tasks because they don't procrastinate or cheat. There were times when I got too lazy, I'd just leave the dishes in the sink overnight. The stains and leftovers would dry up and become impossibly tough to scrub off the next morning.
1、 简明阐述学校公告和两点理由(The university is going to open a writing center that can tutor students in writing. Because… and …)
2、 阐述女生态度及理由(The girl agrees with this announcement for the following two reasons: Firstly, this center would offer help to students who are in need while the professors have no time in doing so. Secondly, it would provide those students who are good at writing with working experience that is beneficial to their future work.)
3、 时间富裕的情况下可以进行总结(So that's why she approves the university's plan to establish a writing center.)
Founder effect 教授举例：澳大利亚的小菊花在大陆种子很大，当一小群漂洋过海到小岛形成小群落后就演化成小种子的形态了。
1、 点明阅读关键术语，并根据笔记内容进行释义解释。(The reading passage introduces Founder effect which means ...)
2、 根据听力笔记阐述教授举例，注意举例与阅读材料之间的对应关系。(The professor gives an example of澳大利亚的小菊花 (daisy in Australia) to further explain founder effect...)
In population genetics, the founder effect is the loss of genetic variation that occurs when a new population is established by a very small number of individuals from a larger population. It was first fully outlined by Ernst Mayr in 1942, using existing theoretical work by those such as Sewall Wright. As a result of the loss of genetic variation, the new population may be distinctively different, both genetically and phenotypically, from the parent population from which it is derived. In extreme cases, the founder effect is thought to lead to the speciation and subsequent evolution of new species.
In the figure shown, the original population has nearly equal numbers of blue and red individuals. The three smaller founder populations show that one or the other color may predominate (founder effect), due to random sampling of the original population. A population bottleneck may also cause a founder effect even though it is not strictly a new population.
(Simple illustration of founder effect. The original population is on the left with three possible founder populations on the right.)
The founder effect is a special case of genetic drift. In addition to founder effects, the new population is often a very small population and so shows increased sensitivity to genetic drift, an increase in inbreeding, and relatively low genetic variation. This can be observed in the limited gene pool of Iceland, Faroe Islands, Easter Islanders and those native to Pitcairn Island. Another example is the legendarily high deaf population of Martha's Vineyard, which resulted in the development of Martha's Vineyard Sign Language.
1、 阐述谁有什么困难(The girl has confronted with a problem that she is usually bothered when she attends her class while other students are using their laptops nearby.)
2、 阐述解决这个困难的两个方案(There are two solutions to this problem. The first one is to turn to her teacher. The second one is to be earlier for the class so that she could sit at the front without being bothered.)
3、 表明自己的建议与理由(Personally, I would recommend the girl adopt the second solution. Because after she turns to the teacher, she may be judged by him/her that will not leave a good impression on her teacher and also she could sleep earlier at night instead of sleeping at noon to stay energetic.)
阐述教授讲授的主要中心词并且进行举例展开。(The professor introduces产品定价(product-pricing)which means… He/She gives an example to further explaining it. …)