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【正文】 (TEA) lauryl sulfate. Artificial Preservatives Not only the most mon skin irritant, but are also carcinogens as they contain formaldehyde and formaldehyde 39。 or 39。s natural oils. Such ingredients contain the word 39。) may be byproducts of slaughterhouses and battery farms. Moreover, such ingredients may be contaminated by pesticides like DDT. Talc Similar to asbestos, it causes lung problems. Harsh Surfactants Surfactants are wetting agents which produce foams in cleansing products. These surfactants may remove some of the skin39。 or 39。 C Red . Many are still doubtful as to their safety. Synthetic colors can cause allergic reactions in sensitive individuals. Elements like heavy metals (arsenic, chromium, lead, mercury, etc) are difficult to remove pletely during the manufacturing process. Petroleum Products Ingredients like paraffin, mineral oils, petroleum jelly, PVP, PEG and propylene glycol may clog pores and cause allergic reactions. Animal Derivatives Ingredients such as collagen (a substance found in bone, cartilage, and connective tissue), placenta, animal proteins, keratin, lactose, lanolin, animal fatty acids, and fish scales (labeled as 39。ts Artificial Colors Most are coaltar derivatives. Although approved, some have been found to be carcinogenic, . D amp。 Don39。 Company merged into DaimlerBenz in 1926. Hen’s Legs Son: “Why are hen’s legs so short?” Dad: “You’re a fool. If the hen’s legs were too long, wouldn’t they drop their eggs into pieces when laying?” 母雞的腿 兒子: “ 為什么母雞的腿這么短呢? ” 父親: “ 你真笨。 Company, Mannheim, Germany, was founded in 1883 to build stationary internal bustion engines and achieved its Patented Jan. 29, 1886. The original Benz motorcar was threewheeled, with the fourth wheel added by 1893. In 1906, Karl Benz left the Company he owned with Gottlieb Daimler to form Benz amp。 Karl Benz Engineer and Car Manufacturer Founded Benz amp。從那時(shí)起,人們購(gòu)買了數(shù)百萬(wàn)輛這種自行車。 不過更為成功的仍是斯塔利在 1885 年制造的“安全自行車”,它是第一輛以一根高效率的鏈條來(lái)傳動(dòng)的自行車。左圖:由于座位高,前輪大,這種“前輪大、后輪小的自行車”難以平衡。它搖搖晃晃。這樣,蹬一下踏板,自行車前行的距離將會(huì)遠(yuǎn)得多。問題在于踏板蹬一下輪子只轉(zhuǎn)一圈,所 以蹬踏板是艱苦的勞作。他們還制造了一個(gè)踏板直接連著前輪的機(jī)器。麥克米蘭的自行車有一個(gè)把后輪與踏板連起來(lái)的曲柄。它有兩個(gè)輪子,通過踢腳來(lái)向前推進(jìn)。但自行車已存在快要 150 年了。 ③知識(shí)掌握情況:是否已經(jīng)掌握了所學(xué)的知識(shí),并能很好地運(yùn)用。 ①課堂參與情況:積極主 動(dòng),聲音響亮,較流暢地用英語(yǔ)表達(dá)自己要說的話。 4 Task 7 “ Find someone for job”就“ Teacher Wanted”所列的要求,學(xué)生結(jié)對(duì)討論自己所推薦的人,誰(shuí)最適合哪一工作,并說出理由。 3b 根據(jù)例子,用完整的句子描寫 Holly 和 Maria 的和朋友之間的不同,進(jìn)一步鞏固比較句式的用法。 2b 然后再聽一遍錄音,將其選擇好朋友的條件的關(guān)鍵詞的形式寫出 2c Task 6 學(xué)生結(jié)對(duì)談?wù)?Holly 和 Maria 的最好的朋友的看法。 1b 在 1a 的基礎(chǔ)上學(xué)生分組進(jìn)行討論,說說各自的觀點(diǎn)。 make m
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