freepeople性欧美熟妇, 色戒完整版无删减158分钟hd, 无码精品国产vα在线观看DVD, 丰满少妇伦精品无码专区在线观看,艾栗栗与纹身男宾馆3p50分钟,国产AV片在线观看,黑人与美女高潮,18岁女RAPPERDISSSUBS,国产手机在机看影片

正文內(nèi)容

牛津譯林版高中英語選修七unit2fitforlifereading1課件(完整版)

2025-01-04 15:14上一頁面

下一頁面
  

【正文】 。 ? bacterium, bacterial Words that are pound words: ? painkiller ? bloodthinning ? heart attack ? acetylsalicylic Words with irregular plural forms: ? bacteria ? bacterium Consolidation Fill in the blanks with proper words according to the reading material. W: I’d like to know about the two medicines —aspirin and penicillin. Could you please tell me something about them? M: I’ll be glad to. If you open up any medicine cupboard in the world, it is (1)l_______ that you will find aspirin and penicillin. Both of them have saved many people’s lives since they were invented. W: When was aspirin invented? ikely M:I don’t know for sure, either. 3,500 years ago, people (2)c_________ on leaves or drank a kind of tea made from leaves (3)p________ a special chemical to reduce body pains and fever. In 1897, a European chemist produced ASA from some chemicals to make a medicine for his father. The first (4)t________ of this medicine took place in 1899 when the powder fo
點擊復(fù)制文檔內(nèi)容
教學(xué)課件相關(guān)推薦
文庫吧 www.dybbs8.com
備案圖鄂ICP備17016276號-1