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课件网) Unit 1 What’s the matter Section B R·八年级下册 讲解 adj. 生病的;有病的 (1)生病的;有病的(在句中可作定语或表语)。 They bought some toys for the sick children. 例句 (2)恶心的(通常在句中作表语)。 讲解 The food is so terrible that it makes me feel sick. 例句 v. 呼吸 讲解 动词:呼吸(既可作不及物动词,也可作及物动词)。 It is hard to breathe under the water. 例句 拓展 breathe的名词形式为breath,意为“呼吸;呼吸的空气;一次吸入的空气”。常用短语如下: hold one’s breath 屏住呼吸 out of breath 上气不接下气 take a deep breath 深呼吸 n. 登山者;攀登者 讲解 可数名词:登山者;攀登者 After a short break, the young climber kept on climbing. 构成 例句 在英语中,许多动词加后缀-er或-or构成名词,表示该动作的执行者。示例如下: 拓展 sing (v. 唱歌)→ singer (n. 歌手) paint (v.用颜料画)→ painter (n. 画家) teach (v. 教)→ teacher (n. 教师) climb(v.攀登)+名词后缀 -er n. & v. 危险;风险;冒险 讲解 (1)可数名词:危险;风险 Nobody can take risks with other people’s lives. 短语 例句 (2)及物动词:冒险(其后接名词、代词或动词-ing形式作宾语)。 讲解 He risked his life to save her. take risks=take a risk 冒险 the risk of… ……的风险 例句 n. 刀 (pl. knives) 讲解 可数名词:刀 We cut vegetables and meat with knives. 例句 以 -f(e) 结尾且复数形式变为 -ves 的名词 巧记 小贼 (thief) 携刀 (knife) 去偷羊, 半 (half) 路遇见一只狼 (wolf) 。 为保己 (self) 命 (life) 叶 (leaf) 中藏, 家中妻子 (wife) 急得慌。 n. 血 a drop of blood 一滴血 讲解 不可数名词:血(其动词形式为bleed,意为“流血”)。 Blood is thicker than water. 血浓于水。(谚语) He was bleeding from a cut on his hand. 例句 短语 v. 意思是;打算;意欲 讲解 (1)意思是(其名词形式为 meaning,意为“意义;意思” )。 (2)打算;意欲 mean to do sth. 打算做某事 (3)意味着 mean doing sth. 意味着做某事 What do/does… mean =What’s the meaning of… ……的意思是什么? n. 重要性;重要 讲解 不可数名词:重要性;重要(其形容词形式为important,意为“重要的” )。 the importance of (doing)… (做)……的重要性 You won’t realize the importance of health until you lose it. 例句 n. 决定;抉择 讲解 可数名词:决定;抉择 make decisions/a decision 做决定 make a decision to do sth. 决定做某事 =decide to do sth. You are old enough to make decisions by yourself. She made a decision to teach in a village school. 例句 n. & v. 限制;约束;管理 短语 (1)名词:限制;约束;管理 be in control of 掌管;管理;控制 be in the control of 受……控制;受……管理 be out of control 失去控制 The car was out of control and hit a tree. 例句 (2)及物动词:限制;约束;管理 讲解 She was too angry to control herself. 例句 讲解 辨析 death, die, dead 与 dying death 不可数名词(死;死亡)在句中作主语或宾语;die 动词(消失;灭亡;死亡)是非延续性动词,不能与表示一段时间的状语连用;dead 形容词(死的;失去生命的)强调状态,可以与表示一段时间的状语连用;dying 形容词(垂死的;临死的)在句中常作定语。 n. 死;死亡 The dying old man is lying in bed, thinking of his dead daughter. She died in a car accident three years ag ... ...