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thainhatle2002
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Cho lúa thân cao lai vs nhau thu đc đời con toàn là lúa thân cao Hãy viết sơ đồ lai từ p đến f1 Biết lúa thân cao trội hơn Giúp em vs anh chị tốt bụng
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Ai giúp mình với hơi dài xíu IV. Read the passage and choose the best answer The United States is a large country. It is the third largest in the whole world! It is located in a continent called North America. Parts of the United States touch three different oceans. The United States has tall mountains, wide plains, deserts, hills, rivers, lakes, volcanoes and even rainforests! People from all over the world have come to live in the United States. There are 50 states in the United States. The newest states, Alaska and Hawaii, are not connected to the other states. Alaska is the largest state and Hawaii is a chain of islands in the Pacific Ocean. 22.The United States is the _________ country in the world. A. second largest​B.largest ​C.smallest ​D.third largest 23.Alaska is ___________ and Hawaii is __________. A. a chain of islands/ the largest state ​B. the largest state/ a chain of islands C.a chain of islands/ the largest state ​D.not connected to the other states/ the largest state 24.The United States does not have ____________. A.50 states ​​B. volcanoes ​​C. mountains ​D.continents 25.Parts of the United States touch _________ different oceans. A.1 ​​B.2​​C.4 ​​D.3 26.What continent is the United States in? A.North America ​​B.Australia ​​C. Africa ​D.Europe V. Read the passage and mark the letter A, B, C or D to indicate the correct word or phrase that best fits each of numbered blanks It is estimated that about 200 million people who use the Internet computer network around the world. The Internet allows people _____ (27) at home instead of traveling to work. The Internet allows businesses to communicate with customers and workers in any part of ____ (28) world for the cost of a local telephone call. E.mail allows____ (29) to send documents, pictures and other data from one part of the world to another in at least 5 minutes. People can use the Internet to do shopping. ____ (30) saves a lot of time. It is possible to use the Internet for _____ (31) – students may connect with their teachers from home to send or receive e.mail or talk their problems through “on-line” rather than attend a class. 27. A. work B. to work C. worked D. works 28. A. a B. an C. the D. one 29. A. use B. users C. useful D. useless 30. A. This B. These C. Those D. They 31. A. educate B. educator C. educating D. education VII. Rewrite the following sentences so that their meaning stays the same, using the words given. 32.Shall I take a piece of cake here?. → Would you mind ………… 33.“ The film will begin at seven o’clock,” they said.→ They said ………… 34. I don’t have enough time, so I can’t go on holiday this summer→If ……… 35. “I’m having a good time here” said Lan. → Lan said ……… 36 . You should water these flowers regularly. →​These flowers should ………… 37. During dinner, the phone rang.→ While I ……………… 38. Vy ate a lot last night, so she had a stomachache.→Because. …………… VIII. Reorder the words below to complete sentences. 39. In/ from/ came/Nick / England/ / he/ town/ small/ said/ that/ a. ........................................................................................................................................ 40. was/ the/storm/ by/ destroyed/ week/The/ village/whole/last/. ........................................................................................................................................

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