(不可数名词，没有复数表现)二、名词的数1、可数名词的复数变化规则① 一般在名词后加s，变成复数如boy→boys, pen→pens等②以s, x, sh, ch结尾的，在后面加es如Class classes, fox→foxes, brush→brushes, watch→watches但stomach的复数为stomachs③“以辅音字母+y”结尾的，y变为i，然后再加es如baby→babies④以f或fe结尾的名词英语中共有100多个，其中直接加s的有92个，但这些绝大多数不常用，如safe, roof, belief等；把f或fe改为v, 再加e的只有13个，但13个都是常用的名词，如thief, life, wife, shelf, self, knife, half, leaf, wolf等
Check the homework3Let some Ss read the article in 3aThen finish the short passage about Sad and Thirteen1Sad and Thirteen has some _________He can’t __________his familyHis parents _____ a lotIt’s the only _____________ they haveWhen they _____, it’s like a big black cloud ____________their homeHe doesn’t like it
The boys who had never come acrossanything like this before started jumping out of the windows、b、 The other day_________________________________________________ when， before I knew it，__________________________________-__________________ __________________________、3)描写家访a、 We walked for two anda half hours to get there- first up a mountain to a ridge from where we hadfantastic views and then down a steep path to the valley below、b、 We drove for 1 and ahalf hours to get to Shanchong village in Changtai county – first up a mountainto a ridge from where we had fantastic views and then down a steep path to thevalley below、[教学目的]语言必须在运用中内化，本环节的目的是要提升学生正确运用新学到的语言结构表达的能力，让学生在语言操练当中对文章内容加深印象并能够运用到自己的表达当中
一、慢性阑尾炎有哪些具体的临床表现 慢性阑尾炎是指阑尾急性炎症消退后而遗留的阑尾慢性炎症病变，如管壁纤维结缔组织增生、管腔狭窄或闭塞、阑尾扭曲，与周围组织粘连等慢性阑尾炎分为原发性和继发性2种以下是慢性阑尾炎的一些临床表现： 1腹部疼痛 右下腹部疼痛，其特点是间断性隐痛或胀痛，时重时轻，部位比较固定多数病人在饱餐，运动，劳累，受凉和长期站立后，诱发腹痛发生病程中可能有慢性阑尾炎急性发作2胃肠道反应 病人常有轻重不等的消化不良、食欲下降病程较长者可出现消瘦、体重下降一般无恶心和呕吐，也无腹胀，但老年病人可伴有便秘3腹部压痛 压痛是惟一的体征，主要位于右下腹部，一般范围较小，位置恒定，重压时才能出现
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