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nguyenthuphuong.mma
2 năm trước
Cacbon và oxu có các đồng vị sau: 12 6C, 14 6C, 16 8O, 17 8O, 18 8O. Có thể có bao nhiêu loại phân tử khí cacbon dioxit khác nhau tạo nên từ đồng vị của 2 nguyên tố đó A 8 B 18 C 9 D 12
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IX . Choose the letter A , B , C or D the word that has the underliner part diffterent from others 1 A houseS B fridgeS C storeS D orangeS 2 A villaS B roomS C actticS D bedS 3 A lampS B kitchenS C drawerS D wardrobeS 4 A toiletS B sofaS C lampS D atticS 5 A villA B sofA C Aparment D tAble 6 A bEdroom B kitchEn C wIndow D bEtween 7 A behInd B mIcrowave C dIshwasher D frIdge 8 A nExt B undEr C mEssy D chEst 9 A crAzy B tAble C bAthroom D wAve 10 A bAck B bAth C Acttic D hAll 11 A Under B fURniture C Umbrella D fUnny 12 A frOnt B sOfa C Open D shOw II Use the prompts to make meaningful sentences 1 How many / picture / there / wall? 2 This / department store / tothe left / post office . 3 My uncle / live / countryside / family . 4 Her cat / play with / ball / under / table now . 5 Could you / show / me / way / cinema , please ? 6 Diana / quite lovely / with / short black hair / big brown eyes . 7 This / my neighbor / Ella . She / confident / helpful . 8 I / jealous / a lot / because / her / eyes / bigger / me . 9 We / having / big party / tomorrow .

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