高中英语人教版选修七Unit 3 Under the sea Vocabulary Breakthrough课件（13张）

课件13张PPT。Unit 3　Under the seaStep One　 构词助记Step Two　 词义助记内容索引Step Three 语境助记Vocabulary BreakthroughStep One　构词助记A组　前缀
scope n.→ n.
B组　后缀
accommodate v.→ n.住所；住宿
taste n.→ adj.好吃的；可口的
pension n.→ n.领取养老金者telescopeaccommodationtastypensioneradv.＋n. adv.& adj.近海(的)；离岸的 n.& adj.海边(的)；海滨(的)
n.海草；海藻
n.闪光信号灯；手电筒；闪光灯
C组　合成
n.＋n. n.协作；配合
n.关系；血缘关系；交往teamworkrelationshipseasideseaweedflashlightoffshoreD组　转化
adj.?n. 年刊；年鉴
vt.?n. 目击者；证人；证据
adj.?prep. 在……对面
vi.?n. 暂停；中止annualwitnessoppositepauseStep Two　词义助记A组　同义词
bank n.? n.
shout v.? v.
escape v.? v.
delicious adj.? adj.
B组　反义词
messy adj.? adj.
wide adj.? adj.
deep adj.? adj.shoreyellfleetastyneatnarrowshallowC组　形近词
fitness n.健康；适当? v.& n.目击；见证
bet n.打赌? n.网状物；网witnessnetStep Three　语境助记1.背诵经典　The retail trade is witnessing a sharp fall in sales.
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2.背诵经典　The children learned about the relationship between the moon and the tides.
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3.背诵经典　Many dolphins can dive to the depth of 200 metres.
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4.背诵经典　When I saw a shark，I was almost scared to death and fled back to the shore at once.5.背诵经典　This measure is to make people become aware of the importance of wildlife conservation.本课结束