sbiib unit 13 the water plane
河口
素材新挖掘
考点1. benefit vi.使……受益；得益 n. 利益
here, animals can enjoy all the benefits of the oceans without having to face many of the dangers.
many benefits will flow from this discovery.
这项发现将带来许多好处。
benefit n. 利益；好处
benefit vt. 有益于
benefit from从中……受益
beneficial adj.有益的
(1)this project is of great ________(好处)to everyone.
(2)i have done it for his _________(利益).
(3)we _____________(得益于)daily exercises.
(4)the plants _______________________(从雨中受益).
(5)这种药对你有好处。(写作小练笔:主谓宾；medicine)
______________________________
benefit
benefit
benefit from
benefited from the rain
the medicine will benefit you.
考点2. range vi.(在一定范围内)变动；变化
life in the oceans ranges from the tiniest plankton all the way up to giants like sharks and whales.
the temperature of this city ranges from 0℃ to 30 ℃.
这个城市的气温在0℃到30℃之间。
range n. 射程；变动范围
range from…to 范围在……之间
range vt. 排列；整理
(1)several cars are available within this price ________(范围).
(2)there is a wide ________(变动范围)of temperature in the
north of china
(3)you have to range the goods neatly in the shop window.
(替换)_______
(4)_____________(价格范围)from 5 dollars to 10 dollars.
(5)what is the range of your gun?(英译汉)
________________________
range
range
arrange
prices ranged
你的枪的射程有多远？
考点3. decrease vi. 变小；减少
when water freezes, its density decreases.
our imports decreased last year.
我们去年的进口物品减少了。
decrease vi. & vt. 减少；减退
decrease n. 减少
increase vi. & vt. & n.增加
reduce vt.减少
(1)there was a _________(减少)in the number of children in school.
(2)it is necessary to _________(减少)the amount of coal used.
(3)his interest in this subject gradually _________(减退).
(4)as the temperature decreases, the size of the metal becomes
smaller.(英译汉)
__________________________________
(5)student numbers have ___________________(减少了500).
(6)他对这门学科的兴趣逐渐减退。
(写作小练笔：主谓；interest, subject, gradually)
______________________________________________________
decrease
decrease
decreases
随着温度下降，这金属就收缩。
decreased by 500
his interest in this subject gradually decreases.
届高考英语第一轮单元考点复习j教学案:Unit 13 The water plane_高三英语教案
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