Unit 9 Sea water and rain water单元课时练（4课时，含答案）

6BM3 U9 Keys I.DBCD II. Almost three quarters/sea animals/streams The most dangerous/one of the most intelligent animals/one of the largest animals You can see/interesting and beautiful Get food from the oceans/Fishermen/catch fish and prawns in the deep sea. Important to all animals/keep them clean/stop polluting them III. 1—5 DADBC P2 I. 1. beautiful seahorses 2. clean streams 3.interesting starfish 4.huge whales 5. dangerous sharks 6. intelligent dolphins 7.on the Earth 8.in the oceans 9.fishermen 10.be important to all animals II. (1)deepest/cheapest Most interesting/most important Heaviest/tidiest Cleverest/biggest/worst/best/farthest (2) most dangerous/the most intelligent/the most beautiful or interesting/the fiercest/ one of the best/one of the most interesting classes in all subjects/ Any reasonable answer is ok. III. competition intelligence dangerous interesting fishermen cleaners/cleaner pollution/polluting useful/usage covered rainy/rain IV. 1.b 2. d 3.a 4.e 5.c 6.f 1.whales, dolphins, sharks, starfish, sea horses 2.different, workers, accountants, teachers, cleaners 3. Any reasonable answer is ok. V. 1. important 2. quarters 3. covered 4.large 5. oceans 6. food 7.interesing 8. Almost 9.eat 10.pollution 11. clean 12. dying 13.any 14. also 15.stop P3 I. 1.find some information 2.on the Internet 3．If there is no rain 4. no water to drink 5.brush our teeth 6. take a shower 7. wash our clothes 8.wahs the dishes 9.water the crops and vegetables 10.the cooks in restaurants at home: brush teeth/take a shower/wash our clothes/wash our dishes at work: cook food/put out fires/… brush our teeth water the crops and vegetables on their farms die Any reasonable answer is ok. II. What do/to do What do for making How can Instead of Won’t have How much 3 quarters 1 quarter III. 1.teeth 2. farmers/farms 3. Covered 4.cooker/cooking 5. Safety/save 6. waste IV. Our teacher always says that students shouldn’t waste time during the class We need another three days to finish the job. We can save time by not watching too much time. If there is no rain, the vegetables will die. V. 1. It’s about the seas. 2. Simon Walker. 3. It’s for children. 4. Because they’re very sick. 5. Dirty water and rubbish. P4 I. i √ Fix a dripping tap. Wash fruit under a running tap. √ Turn off a running tap. Play water games with a lot of water. Take a bath instead of a shower. Brush teeth under a running tap. Drink water under a running tap. Clean the streets with too much water. √ Save water. Waste water. ii．Any reasonable answer is ok. Eg. Washing fruits and vegetables under a running tap. II. Don’t waste water How do people save water What do we use water to do How can people save paper III. land and water seven-tenths Yes, it is. No, they aren’t IV. BCBDAB V.略Period 1 Name_____ Class_____ I. Odd one from each group e.g. A. bus B. car C. plane D. air-conditioner A. ocean B. stream C. river D. air A. whales B. horses C. sharks D. starfish A. dangerous B. fierce C. ... ...