Lesson 3 The Sea World 一.知识点精讲(一),重点词汇1. present---- presence n. 反:absent①. adj. 在场的,出席的(作定语或表语) People present at the meeting were mostly scientists from different parts of the world.②. adj. 现在的,目前的(作定语) The present situation here is getting worse and worse.③. n. 目前,现在 At present, our room is big enough.④. vt. 送给,赠与,呈交 The children presented flowers to the teachers.⑤. vt. 提出(论点,看法) He presented his view and then sat down.短语拓展:be present at 缺席的,不在场的be present in 存在于be absent from 缺席,不在场at the present 当前,目前present sth to sb 把某物赠送给某人,向某人呈送某物present sb with sth 把某物赠送给某人in the presence of 在。。。在场的情况下注意:Present 作形容词“在场的,出席的”的讲时,作定语从句置于被修饰的名词之前,而 present 作形容词“现在的,目前的”讲时,作定语置于被修饰的名词之前,如:What’s the number of the people present at the meeting?He is pleased with this present job.2、energetic ①adj. 有活力的 The child is quite energetic.② energy n.. 精力误区点拨:Energy , power , strength 与 force (1) energy 主要指人的精力,自然界的力、能源等。如:old though he is ,be still has much energy to work 12 hours a day . 尽管年纪大,他仍然有足够的精力每天工作 12 小时。Electrical energy raises and lowers elevators .用心 爱心 专心1电能使电梯升降。(2)power 主要指做一件事所依靠的能力、功能、人或机器等事物潜在的或所能发挥出来的力量、职权、权力或政权。如:Water power creates electric power . 水力能产生电力。(3)strength 常指固定潜在的力量,就人来说,着重指力气,就物来说,着重指潜力等。如:We don’t know the strength of their team .我们不知道他们队的实力。(4)force 主要指暴力,势力,说服力,压制力,法律、道德或感情的力量,总之,它是活动过程中的力。如:The police had to use force when they took him to the police ...