1Nature and environmentProgress file 3Electricity3VocabularyGrammarMy progressCONTENTS PAGEVocabulary      Match the two halves of these sentences.cdabGrammar3-112      Write can, may or must in the blanks below.—________ I finish cleaning our rooms now?—No, you needn’t. You ________ do it this afternoon.—________ I touch the kettle?—No, you mustn’t. It’s still very hot.—We ________ use a fridge to keep food fr..

 1Nature and environmentWaterProgress file 22VocabularyGrammarMy progressCONTENTS PAGEVocabulary      Match the words with their meanings.(    ) 1  remain a  stop moving(    ) 2  increase b  angry, not wanting to wait(    ) 3  vanish c  disappear; go away(    ) 4  freeze d  move slowly in the air(    ) 5  impatient e  make something greater in amount(    ) 6 &nbs..

 1Nature and environmentWaterListening:The journey of a coin2Before you listenWhile you listenAfter you listenCONTENTS PAGEBefore you listenOne day, Suzy’s mother gave her a one-yuan coin as pocket money. It was rather dirty, so Suzy put it in the washbasin and washed it. When the coin was clean, it looked very nice. Suddenly, it started talking to Suzy!2-112I’m a one-yuan coin. I’d like to tell you about my journey before coming into your hand! …Look at the followi..

 1Nature and environmentWaterListening:The journey of a coin2Before you listenWhile you listenAfter you listenCONTENTS PAGEBefore you listenOne day, Suzy’s mother gave her a one-yuan coin as pocket money. It was rather dirty, so Suzy put it in the washbasin and washed it. When the coin was clean, it looked very nice. Suddenly, it started talking to Suzy!2-112I’m a one-yuan coin. I’d like to tell you about my journey before coming into your hand! …Look at the followi..

 1Nature and environmentTreesSpeaking1Talk timeSpeak upCONTENTS PAGETalk timeWord linking (I)5-112When we say words together that finish and start with the same consonant sounds, we only pronounce one of the sounds.3455-212Examples:latest target  best toys/'le?t?s(t) 'tɑ:ɡ?t//bes(t) t??z/3455-312More examples:/s?(m) m?'?i:n//'eks?l?n(t) ti:/some machinesmake kitesexcellent teacold drink/me?(k) ka?ts//k??l(d) dr??k/345A1  Say these pairs of words together.5-412plastic cardsg..

 1Nature and environmentTreesProgress file 11VocabularyGrammarMy progressCONTENTS PAGEVocabulary2-112      Use the words and phrase in the box to complete the following sentences.breathewarneddestroyedreleasedare interested incommunicate2-212breathe destroyed are interested inwarned released communicatePeople are being ____________ not to go outdoors until the fierce typhoon has passed.The man was ____________ after three years in prison.They ____________ swimming, so the..

 1Nature and environmentTreesListening:A poster about tree planting1Before you listenWhile you listenAfter you listenCONTENTS PAGEBefore you listenWhat can trees do for us in our daily life?They make streets more beautiful and less noisy.They provide a lot of things for people.They take harmful gases from the air, and release oxygen back into the air.They cool the air.2-112Judy’s school will take part in a tree-plantingcampaign. To attract people to join, Judy and Tony are making a p..