单词:harmful constituent
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This is the VOA Special English Agriculture Report. In the sea, at the base of what scientists call the food web, are single-celled plants. These microscopic algae provide the energy for the web that feeds higher forms of life. Algae-affected waters
9) The number of violent acts on televisions in the past years __ has increased __ (increase) from about 19 to 27 per hour. (15A 2004 上 ) 10) Your mind _ will keep ___ (keep) up with your reading sp
本讲为 2006 年下半年新的教学内容,请对照教材、练习册和语法书听录音! 1. Data from previous animal experiments is used to develop a computer model which will predict what
A professor of public health with Peking University is holding his ground on downplaying the dangers of plasticizers and melamine at a liquor brand conference, but wants to apologize for making the comments. Professor Li Keji, sparked public anger af
90. Smoking 1. This is a non-smoker section, isnt it? 2. Do you feel like a smoke? 3. Do you mind my smoking here? 4. What in your opinion can be done to stop smoking? 5. Are you smoking a lot? 6. Are you smoking less? 7. Did you have to stop smokin
[00:09.87]44) Edward Knipling [00:15.52]A leading American research scientist died last month at his home in Virginia. [00:22.88]Edward Knipling was ninety-one years old. [00:26.75]Mister Knipling was a world famous expert in the study of insects. [0
[00:05.12]American researchers say a new, low-fat substitute for butter could reduce the risk of heart attack and stroke for millions of people. [00:17.76]The new food product is made from vegetable oil with added substances called sterol esters. [00
World Kidney Day is on the 12th of March. It started in 2006 and has grown quickly. In its first year, 66 countries celebrated it and two years later that number rose to 88. The day is a joint venture of the International Society of Nephrology and th
baleful, ['beilfəl] adj 邪恶的(不吉利的);恶意的=harmful=ominous=deadly=sinister=malefic=maleficent=malign 【记】我终于查清了,那个大包裹bale是后勤部长扔的,里边都是废纸,它报复我,它太
The Killer Smogs On the night of December 1, 1930, a dense fog moved over the Meuse Valley, in Belgium. Many factories in the valley poured smoke and fumes into the foggy air. This created a dark smog
由as, which 引导的非限定性定语从句,as和which可代整个主句,相当于and this或and that。As一般放在句首,which在句中。 As we know, smoking is harmful to one's health. The sun heats the earth, which is very important t
句子是托福写作最基本的元素,只有完成好每一个句子,托福作文高分才得以保证。本文中,小编为大家介绍托福写作中使用率最高、覆盖面最广的基本句式,每组句式的功能相同或相似,考
Kelly McGonigal is a convert. A health psychologist who teaches at Stanford University, for years she had held to the conventional view that stress is bad for you. 凯莉?麦戈尼格尔(Kelly McGonigal)改变了自己的观点。作为一名在斯坦福
When we think about becoming healthier, we often think about joining a gym and starting to eat a more balanced diet. These things are both very important, but becoming healthy also means throwing away anything that is harmful or holding you back. 当我
As summer approaches we all enjoy outdoor activities. But with sunlight becoming more intense we should protect our skin from harmful direct exposure to the sun. 随着夏日的到来,我们都喜欢进行一些户外运动。但因为日照愈加强
托福写作句型1、表示原因 1)There are three reasons for this. 2)The reasons for this are as follows. 3)The reason for this is obvious. 4)The reason for this is not far to seek. 5)The reason for this is that... 例如: There are three reaso
下面给大家提供一篇关于生活中噪音的影响的托福阅读背景材料,希望能拓宽同学们的阅读面。 I'm grad to see so many of you here. We'vebecome really alarmed over the health center by thenumber of students we are seei
campus n.(大学)校园 Mary didn't live on campus while in college. She lived off campus with her aunt and uncle. 玛丽念大学时不住校内。她在校外与阿姨姨丈同住。 hive n.蜂巢 Visitors are told to stay away from the beehives.