绝对致病菌

新东方优美背诵短文50篇 Unit48:Bacteria

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are u

发表于:2018-11-28 / 阅读(458) / 评论(0)

新概念优美背诵短文50篇

新东方背诵文选 L48 Bacteria

发表于:2018-12-01 / 阅读(171) / 评论(0)

新东方背诵文选

Lesson 30

新东方赵丽词汇课堂Lesson 30听力下载

发表于:2018-12-15 / 阅读(194) / 评论(0)

新东方赵丽词汇课堂

4+1听力口语MP3-语音 21

Part One 听辨练习 A. 词辨音 Listen, circle the corresponding number if you hear /???in the word. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. B. 短语辨音 Write down the words you hear on the tape, then f

发表于:2018-12-24 / 阅读(63) / 评论(0)

4+1听力口语MP3

英文笑话：An Absolute Zero 零分

Student: I don't think I deserve an absolute zero. Professor: Neither do I, but it is the lowest mark that I am allowed to give. 学生：我认为我不应该得零分。教授：我也这么认为，但这是允许我打的最低分数。

发表于:2019-01-02 / 阅读(86) / 评论(0)

英文笑话

Stupid?

One day a college professor of Psychology was greeting his new college class. He stood up in front of the class and said,Would everyone who thinks he or she is stupid please stand up?After a minute or so of silence, a young man stood up. Well, good m

发表于:2019-01-07 / 阅读(91) / 评论(0)

趣味英语

VOA常速英语2008年-Antibiotic-Resistant Bacteria Poses Threat to P

By Ruth Reader Washington, DC 13 February 2008 There is growing concern around the world over illnesses caused by new antibiotic-resistant bacteria, or so-called superbugs, and the decreasing effectiveness of antibiotics to treat infections. Earlier

发表于:2019-01-07 / 阅读(98) / 评论(0)

VOA常速英语2008年（二月）

SSS 2009-02-10

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Heres a novel potential public health measure against the flukick up the humidity. The cold, dry months of winter signal the start of flu season. But previous resear

发表于:2019-01-08 / 阅读(107) / 评论(0)

Scientific American(二)月

Experts: Let Produce Dry Out to Avoid Bacteria

Experts: Let Produce Dry Out to Avoid Bacteria American researchers say farmers should wait one day after a rain storm or watering their fields to harvest fresh fruits and vegetables. They say gathering the crops at least 24 hours after rainfall incr

发表于:2019-01-12 / 阅读(182) / 评论(0)

2015年VOA慢速英语(七)月

[科学美国人60秒] SSS 2015-12-01

Whats the lively in your kitchen? In terms of bacteria is it the the dish or maybe your coffee maker. Because even known caffeine has anti-bacteria effects, it turns out that machine can hold back majority of bacteria, including some pathogenic speci

发表于:2019-01-20 / 阅读(79) / 评论(0)

2015年Scientific American(十二)月

科学美国人60秒 SSS 香甜可口的咖啡

What's the liveliest part of your kitchen, in terms of harboring bacteria? Is it the cutting board? The dish sponge? Or maybe your coffeemaker? Because even though caffeine has antibacterial effects, it turns out espresso machines can harbor a whole

发表于:2019-01-20 / 阅读(78) / 评论(0)

2017年Scientific American(二)月

英语学习乐园：I must go to...

(1) T：Look at number 120. Have you got any?你有吗？ S： Ineed a lot of cheese. I haven't got much.我需要一些奶酪，我没有多少了。 (2) T： Look at Number 438. Has he got any?他有吗？ S： Heneeds a lot of envelopes. He hasn't

发表于:2019-01-23 / 阅读(97) / 评论(0)

英语学习乐园

禽流感常用生化术语词汇

hemagglutinin 血凝素 Neuraminidase 神经氨酸酶 Nucleoprotein 核蛋白 Nonstructural Protein 非结构蛋白 Matrix Protein 基质蛋白 world organization for animal health (OIE) 国际兽医组

发表于:2019-01-31 / 阅读(70) / 评论(0)

英文语法词汇

含金量高的英语哲理名言【下】

10. East or west, home is best. 东好西好，还是家里最好。 11. Two heads are better than one. 三个臭皮匠，顶个诸葛亮。 12. Good company on the road is the shortest cut. 行路有良伴就是捷径。 13. Constant dropping wears

发表于:2019-02-02 / 阅读(121) / 评论(0)

励志英语

雅思写作语法讲解：主谓宾

句子构成的成分共分为九种：主语，谓语，宾语，表语，定语，状语，补语，同位语和插入语。本文将为大家介绍主语，谓语，宾语三种语法。一、主语：句子的核心主体，通常位于谓语动词

发表于:2019-02-13 / 阅读(89) / 评论(0)

雅思英语

放下玻璃杯 Put the glass down

A lecturer was giving a lecture to his student on stress management. He raised a glass of water and asked the audience, How heavy do you think this glass of water is? The students answers ranged from 20g to 500g. It does not matter on the absolute we

发表于:2019-02-18 / 阅读(103) / 评论(0)

阅读空间

怎样写好英语句子（二）

一、＂There be＂结构考生病句： 1. There are many people like to go to the movies. 2. There are different kinds of vegetables can be bought on the market by people. 正确表达： 1. There are many people who like to go to the movies. 2.

发表于:2019-02-18 / 阅读(53) / 评论(0)

实用英语

托福写作范文举例

Some students prefer to study alone. Others prefer to study with a group of students. Which do you prefer? Use specific reasons and examples to support your answer. Study habits are a very individual thing. Some people like to study alone, while othe

发表于:2019-02-19 / 阅读(70) / 评论(0)

托福英语

简简单单让你变的快乐起来

While explaining stress management to an audience, the lecturer raised a glass of water and asked 'How heavy is this glass of water?' Answers called out ranged from 20g to 500g. 当向听众解释压力管理的时候，讲师拿起一杯水问道：这

发表于:2019-02-21 / 阅读(73) / 评论(0)

阅读空间

经典英语谚语

1． Pain past is pleasure. 过去的痛苦就是快乐。 2． Wisdom in the mind is better than money in the hand. 脑中有知识，胜过手中有金钱。 3． Nothing is impossible for a willing heart. 心之所愿，无所不成。 4． All th

发表于:2019-02-25 / 阅读(84) / 评论(0)

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学英语单词

Banque Bruxelles Lambert

be the whole show

boiler program control

budiansky

capacitance of lead