高级英语写作2

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1. Some countries and people claim to be only vaguely concerned with the cause because they were unaware or uninformed of the issue. 2. Although carbon dioxide largely harms the environment, the other greenhouse gases have a large impact in the atmosphere. 3. Aside from natural and health issues, the world‟s economy is also at risk. 4. When people are trying to get others involved in the cause, a common problem that arises is the lack of motivation.
1. It attempted to determine mathematically and logically the actions that “players” should take to secure the best outcomes for themselves in a wide array of “games”. 2. To illustrate the point, think of the difference between the decisions of a lumberjack and those of a general. 3. And the dynamic process that can lead to an equilibrium is left unspecified. 4. Typical examples arise in sports—whether to run or to pass in a particular situation in football, or whether to hit a passing shot cross-court or down the line in tennis.
1. In fact, genetically modified foods are already very much a part of our lives. 2. Like any new product entering the food chain, genetically modified foods must be subjected to rigorous testing. 3. Many scientists believe biotech could raise overall crop productivity in developing countries as much as 25% and help prevent the loss of those crops after they are harvested. 4. Yet for all that promise, biotech is far from being the whole answer. 5. Biotech firms have a strong financial incentive to target rich markets first in order to help them rapidly recover the high costs of product development.
1. Any cloud should have the following characteristics irrespective of whether it is private or public and irrespective of the type of service it offers. 2. It should be able to cater to the needs of clients without having to involve clients into management of the service. 3. This saves you the trouble of adding one or more computers to your infrastructure for the purpose of storing the databases used by the code.
1. Graduate study often makes great demands on the student‟s research-writing skills, and most professions continue the demand. 2. This subsection has rhetorical usefulness in that it enhances the credibility of the researcher by indicating that the data presented is based on a thorough knowledge of what has been done in the field and, possibly, grows out of some investigative tradition. 3. Although, of course, one‟s natural tendency might be to suppress any findings which do not in some way support one‟s hypothesis, such dishonesty is antithetical to good research reporting in any field. 4. Of primary interest in business and technical research reports is the validity of the results as the bases for company decisions.
1. The developing crisis at the Fukushima Daiichi nuclear power plant in the wake of the March 11 earthquake and tsunami has raised concerns over the health effects of radiation exposure: What is a “dangerous” level of radiation? 2. It is the responsibility of medical professionals to weigh the risks and benefits of radiation used in diagnostics and treatment, according to Langhorst. A single CT scan, for example, can expose a patient to more than one millisievert. 3. When it comes to radiation exposure, professionals who frequently work with radioactive materials, whether in a hospital or a nuclear power plant, abide by the ALARA principle: “As low as reasonably achievable”.
1. Fears about the scope of this nuclear disaster and the radiation‟s health effects continue to spread. 2. Each decays at a different rate and can have various effects on the body. 3. With the exception of iodine-131 which has a short half life, whatever amounts of these other elements are released are likely to stay in the environment and pose a threat to human, plant, and animal life for several years to come. 4. Estimates of the radiation emitted by the Fukushima plant is Japan have ranged from a high of 1,000 mSv per hour ( 1 Sv per hour) inside the plant to 400 mSv per hour. 5. To get a sense of the magnitude of 3mSv, consider this.
1. Neither should it come as a surprise that radiation is being found in our milk and food supply. 2. Officials tend to downplay everything, so as not to make the masses panic as we‟re being adversely affected from all sorts of things. 3. Let officials be oblivious, the rest of us saw it coming— ”radiation „far below‟ levels that pose a risk to humans was found in milk from California and Washington…” 4. I heard experts say that the processes would take some 80 to 100 years to deem those radioactive elements harmless. 5. I think it would be better to think twice before building another reactor on a fault line.
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