. the city has a combination of history and modernityA. abc B. ace C. bcd D. bdeDay 3Bacteria may cheat us (P5)Choose the best answer:1. What do bacteria in your gut and stomach do, according ……

on your hands? It is true. Bacteria are everywhere around us: in the air, on our skin (皮肤), in our bodies and on the ground. But most bacteria aren’t dangerous. Only some can make us ill. Bacteria ……

bacteria. Scientists from Michigan State University, US, are using two kinds of bacteria to produce bioplastic, according to Newsweek.One of the bacteria uses sunlight to produce sugar, while the other ……

(抽水冲洗) the toilet releases bacteria in the air. These bacteria may pollute your toothbrush.You can...生活中你不知道的“脏地方”。词数 390 建议阅读时间 10分钟Did you know? Bacteria are everywhere, but most of them ……

and keep harmful bacteria out, The Atlantic reported. But a recent article in US journal BioEssays suggests that these bacteria might tell us what to do and demand certain kinds of foods. The article ……

The melting of permafrost could release dangerous bacteria. TUCHONGThe melting of permafrost could release dangerous bacteria. TUCHONGClimate change is a serious threat to the world. It can lead ……

对人体友好的益生菌。Did you know that there are some bacteria in our bodies that help us? They are called probiotics (益生菌). These bacteria help us stay healthy.Lactic acid bacteria 乳酸菌There are many lactic ……

. There are many things that carry a lot of bacteria that you may overlook (忽略).Toothbrushes can be dirty...冲洗) the toilet, bacteria can remain in the air for at least two hours. These bacteria may pollute ……

these bacteria to prove who had touched an object, researchers said.“Each one of us leaves a unique trail...最新破案线索手掌上的细菌！词数 345 建议阅读时间 6分钟 测试见7版WARNING to criminals: Rubbing out your fingerprints may ……

soaps may increase some bacteria’s resistance (抵抗) to antibiotics (抗生素), making them more... soaps may increase some bacteria’s resistance (抵抗) to antibiotics (抗生素), making them more ……

soaps may increase some bacteria’s resistance (抵抗) to antibiotics (抗生素), making them more... soaps may increase some bacteria’s resistance (抵抗) to antibiotics (抗生素), making them more ……

经纶, a bellyful of ideas), and yiduzi weiqu (一肚子委屈，a bellyful of complaints).This may sound a little ridiculous...) “butterflies in one’s stomach” to refer to being nervous. Now scientists from Canada and the US have ……

Not entirely humanWE may not be entirely human, gene experts said last week after studying DNA of hundreds of different kinds of bacteria in the human gut. Bacteria are so important to key functions ……

, US. “There are billions of bacteria in one little chunk (块) of plaque (牙菌斑).”Thus, chewing gum can... American, food particles (颗粒) left in your mouth cause bacteria to increase. These bacteria produce ……

bacteria may only have a slight effect on your health. Nathan McNulty, a scientist at Washington... of them have the proud “probiotic (益生的)” label that says they contain bacteria (细菌) that are good ……