高中英语第三册Unit13 Water planet教案
1．四会词汇
cube, sailor, benefit, transport, range, unique, hydrogen, atom, oxygen, relative, solid, freezing, pure, gramme, relationship, mass, cubic, kilogramme, float, decrease, substance, centigrade, absorb, thus, stable, sensitive, steady, trust, nursery, recreation, gallon
2．认读词汇
mariner, property, plankton, molecule, salinity, dissolve, density, volume, capacity, motion, dense, estuary, tide, mammal, reproduce, pollutant, erosion, define
3．词组搭配
benefit from, all the way, be made up of, freezing point, become available to, mix with, take advantage of, give off, add..to..., play a (bad) trick on sb, protect from, a variety of
4．重点词汇
benefit, disadvantage, property, range, substance, dissolve, available, float
The Modal Verbs-Review
Possibility: can/could, may/ might
certainty: must, will, should
Ability: can/ could, be able to
permission: can/ could, may/ might
Requests: can/ could, will/ would
suggestions: could/ may/might, shall
Necessity: must, have to, have got to, need
advice: should, ought to, had better
1. Life in the oceans ranges from the tiniest plankton all the way up to giants like sharks and whales.
2. What is it that makes the ocean such a great place to live?