I agreewith the speaker's broad assertion that money spent on research is generallywell invested. However, the speaker unnecessarily extends this broad assertionto embrace research whose results are "controversial," while ignoringcertain compelling reasons why some types of research might be unjustifiable.My points of contention with the speaker involve the fundamental objectives andnature of research, as discussed below.
There ismuch debate over the universal issues whether or not tradition andmodernization are incompatible. Some people may claim that they necessarilyconflict with each other, while others argue that the two are not mutuallyexclusive. Insofar as I can think, the best way is to coordinate them and exerttheir own advantages for contemporary society.
第一句改写题目，第二句比较两种立场，第三句提出自己的观点。这种开头比较简单易学，也是同学们比较常用的开头方式，需要注意的是在点明自己的观点的时候，最好把下文中要进行分层论证的关键词结合到句子里面，比如上述例子中的coordinate ;exert their own advantages，可以起到引领下文，令文章结构严谨的作用。
Explosivedevelopment of science and technology has been made during the past one hundredyears or so. When it comes to progress of the condition of humanity all overthe world, there are always a host of different opinions held by differentindividuals from different areas. Have, you may wonder, the technologydevelopments or innovations contributed to promoting our humanity? Admittedly,most people would consider that there are still so many troubles with us suchas poverty, violence, conflicts and even wars. However, as a whole effect ingeneral, technology progress has in fact, tend to lead to a significantpromotion of the overall condition of humanity in the world.
What arethe limits of our duty to save endangered species from extinction? Thestatement raises a variety of issues about morality, conscience,self-preservation, and economics. On balance, however, I fundamentally agreewith the notion that humans need not make "extraordinary" efforts--atthe expense of money and jobs--to ensure the preservation of any endangeredspecies.
To sum up,given the reasons mentioned above, we may safely come to the conclusion that….not only because…, but also because…, but it depends on
In sum, Iconcede that….Nonetheless, to some extent…, the speaker's claimoverrates/underrates the importance of sth…. In the final analysis, the optimalapproach, in my view, is a balanced one that ….
作文话题：The best way to teach is to praisepositive actions and ignore negative ones.
Therecommendation presents a view that I would agree is successful most of thetime, but one that I cannot fully support due to the “all or nothing”impression it gives.
Certainlyas an educator I agree fully that the best way to elicit positive response fromstudents is to make use of students’ positive energy and then encourage actionsthat you would like to see repeated. It is human nature that we all want to beaccepted and achieve on some level, and when people in authority providefeedback that we have done something well, the drive to repeat the action thatwas praised is bound to be particularly strong.
Thisblanket statement would obviously pay dividends in situations in which ateacher desires to have students repeat particular behaviors. For example, ifan educator is attempting to teach students proper classroom etiquette, itwould be appropriate to openly praise a student who raises his or her hand whenwishing to speak or address the class. In such cases, the teacher may also helpshape positive behaviors by ignoring a student who is trying to interjectwithout approval from the teacher. In fact, the decision to ignore students whoare exhibiting inappropriate behaviors of this type could work very well inthis situation, as the stakes are not very high and the intended outcome canlikely be achieved by such a method. However, it is important to note here thatthis tactic would only be effective in such a “low-stakes” situation, as when astudent speaks without raising her hand first. As we will discuss below,ignoring a student who hits another student, or engages in more seriousmisbehaviors, would not be effective or prudent.
To expandon this point, it is important for teachers to be careful when working with thesecond half of this statement, only ignoring negative actions that are notserious. Take for instance a student who is misbehaving just by chatting with afellow classmate. This student might not be presenting much of a problem andmay be simply seeking attention. Ignoring the student might, in fact, be thebest solution. Now assume the negative action is the improper administering ofchemicals in a science experiment or the bullying of a fellow student. Toignore these negative actions would be absurd and negligent. Now you areallowing a problem to persist, one that could potentially lead to much biggerand more dangerous issues. In a more serious situation, addressing the negativeactions quickly and properly could stop the problem it in its tracks. It is forreasons like this that I do not advocate the idea that a teacher can be successfulby simply ignoring negative actions.
I do,however, greatly support the idea that the central focus of teaching should beto build on and encourage positive actions. However, the author’sall-encompasing statement leaves too many negative possibilities for theclassroom. Perhaps a better way to phrase this statement would be to say, “Thebest way to teach is to praise positive actions and ignore negative ones thatare not debilitating to class efficiency or the safety of any individual”.
Thus, in theoriginal statement, there are indeed some good intentions, and there could be alot of merit in adopting its basic principles. Data proves that positivesupport can substantially increase motivation and desire in students andcontribute to positive achievements. In fact, most studies of teaching efficacyindicate that praising positive actions and ignoring negative ones can create amore stable and efficient classroom. It needs to be stressed, however, thatthis tool is only effective at certain levels of misbehavior. As mentionedabove, when the behavior is precipitated by feelings of revenge, power or totalself-worthlessness, this methodology will likely not work. It is likely to bevery successful, however, when the drive behind the misbehavior is simpleattention seeking. In many of these instances, if the teacher demonstratesclearly that inappropriate behavior does not result in the gaining ofattention, students are more likely to seek attention by behaving properly.Should the student choose this path, then the ignoring has worked and when thepositive behavior is exhibited, then the teacher can utilize the first part ofthe theory and support or praise this behavior. Now it is much more likely tobe repeated. If the student does not choose this path and instead elects toraise the actions to a higher level that presents a more serious issue, thenignorance alone cannot work and other methods must be employed.
Inconclusion, one can appreciate the credo expressed in this instance, but surelywe all can see the potential error of following it through to the extreme.