高中英语模七 unit2 revision课件牛津版选修七.ppt

* * Revision 1.直到盘尼西林被提纯后才开始大批量的生产. 2.这是首批以标准化片剂出售的药品之一. Penicillin was not produced in large quantities until it was purified Not until penicillin was purified was it produced in large quantities . It was not until penicillin was purified that it was produced in large quantities . This is one of the first medicines ever to be sold as a standardized tablet. 3.过了两个小时被堵塞了的交通才恢复正常． ４如果你不努力的话，很有可能在即将到来的考试中不及格． 5 能请你接通接待员的电话吗？我想告诉他处理询问的一些方法． It was two hours before the blocked traffic returned to normal. If you don’t work hard ,there is a high probability that you’ll fail the coming examination. Will you please put me through to the receptionist ？I’d like to tell him the ways to deal with enquiries. ６在西方，针灸已和中草药一样非常受人欢迎。 ７随着现代科技的发展，信件正在被电子邮件所取代． ８人体有十二种不同的脉搏，每个手腕上分布六个。 In the West, acupuncture has become very popular , as/so has Chinese traditional herbal medicine. With the development of modern science and technology , letters are being replaced by e-mails. There are twelve different pulses, six on each wrist. 9 这种药品在上市之前，在动物身上进行了多次试验． 10针灸是解除毒瘾的一个重要方法． Before the medicine came onto the market, it had been tried out on animals for many times. Before the medicine came onto the market, it had gone through many trials on animals. Acupuncture is a fundamental way to treat the addiction to drugs. Reading A 1.It killed many people around the world and left deep marks on those who lived. 2.He noticed that milkmaids never got smallpox; they got a weaker disease instead. 3.It worked by protecting a person from getting smallpox. 4.He made it his gift by not claiming that he owned the vaccine. This kept its cost lower so that many people could afford it. 5.His discovery led to many other vaccines and the end of smallpox. Reading B 1.It kills organisms by living in foods and liquids that can make humans sick; it makes milk last longer. 2.The temperature and length of time for heating are different. UHT uses a much hotter temperature for a much short