Tại sao đổ nước nóng vào cốc bằng thủy tinh chịu lửa,thì cốc ko bị vỡ,còn đỗ nuớc nóng vào cốc thủy tinh thường thì cốc dễ bị vỡ?

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I. Choose the correct answer: 1. Can you ..................the butter on this slice of bread for me? ( sprinke/ spread/ grate) 2. She garnished the pasta with some ................cheese.( peeled/ drained/ grated) 3. Peel the carrot and ...........it into small pieces. ( chop/ whisk/ steam) 4. ............is to cook thin strips of vegetables or meat quickly by stirring them in very hot oil. ( deep –fry/ roast / stir- fry) 5. is to fry food in oil that covers it completely. (deep –fry/ roast / stir- fry) 6. .............you work harder, you will succeed ( When/ Unless/ If) 7. The best way to learn ...................mucical instrument is to find .......enthusiastic teacher.( a-an / an- some / some –an) 8. Do you have ..............brothers or sisters? ( any/ an/ some) II. Write the conditional sentences type 1, using the give words. 1. Their teacher/ will/ sad/ if/ they/ not/ pass/ the exam. ..................................................................................................................................... 2. If you / not/ say / sorry/ they/ will/ not forgive/you ................................................................................................................................. 3. You/can / not/ buy / this / watch/ if/ you / not /have/ enough money. ................................................................................................................................. 4. If/ he/ want/ pass/ exam/ he/ should /study/ harder. ............................................................................................................................ 5. If/ you/ want/ healthy/ you should / not continue/ smoke. ......................................................................................................................... 6. You/ will / stay home / if / rain / tomorrow .................................................................................................................... 7. We/ will/not / invite/ she / again/ if /she/ not/ come. ................................................................................................................... 8. You/ should / visit/ local museum/ if/ have / time. ..................................................................................................................... 9. I/ will/ call/ you/ a ride home/ if / rain/ tonight. ...................................................................................................................... 10. The plants / may/ not need/ fertilizer/ if / soil /rich. ................................................................................................................ 11. If he / come/ back /soon, we/ will/ have/ lunch/ together. .............................................................................................................. 12. If/I / win / the / first / prize / contest, I / will/ take / you / trip. ......................................................................................................................