Mọi ng giúp e vs ạ, mai e nộp r ạ
Có 40kg nước biển trong đó có 2kg .Tính tỉ số phần trăm muối trong nước biển
giúp vs mng ơi cân nhưng năng lực j hả mng Theo em để làm tốt một bài văn chúng ta cần có nhưng năng lực nào ?
1)they shouted and looked at me when i broke the vase A angry B angrier C angrily D anger 2)he is tired he stayed up late watching tv A so B because C but D and 3)we are talking about the preservation of resources A natural B naturally C nature D naturalize 4)is he really that you can't come there? A disappoint B disappointed C disappointing D to disappointing 5)it is our policy to forest and increase forestation A protect B protecting C to protect D protected 6)i suggest to the movies A go b to go C going D went 7)they made their living by fish in the ocean every day A catch B catching C to catch D caught 8)i will be if she manages to sell that motorbike at a high price A surprise B surprised C surprising D to surprise 9)if you know where she lives please let me A know B knew C known D to know 10)if you live in this small town you earn much money A aren't B couldn't C can't D didn't 11)unless you understand i explain it again to you A am B was C will D would 12)if he a student he will get a discount A is B was C were D will be 13)because plastic bags are very hard to they will cause pollution A dissolve B wrap C tear D collect 14)these materials can be into other packaging products A reused B reduced C removed D recycled 15)if people public transport there will be less pollution A use B will use C can use D used 16)minh's english is excellent he speaks A perfectly english B english perfectly C in perfect english D english perfect 17)if you go doing that you'll end in serious trouble A up/with B on/up C off/with D out/up 18)crops are sprayed with to kill insects A fertilizer B manune C dung D pesticide 19)what about used paper bottles and cans every day? A collect B collecting C to collect D to collecting 20)if the sea water continue to be polluted many fish species extinct A became B will become C would become D become
1 bình chưa 33,6 lít khí oxi (đktc) với thể tích này có thể đốt cháy a/ bao nhiêu gam cacbon và tạo bao nhiêu lit cacbon ddioxxit? b/ bao nhiêu gam lưu huỳnh và tạo bao nhiêu lít lưu huỳnh đioxxit ?
viết bài văn nghị luận : em có suy nghĩ gì về mạng Facebook đối và đời sống con người đặc biệt là và giới trẻ ( không sao chép mang nha)
Giúp mình câu hỏi này với :(( Ex4,Ex5
Hòa tan 2,52 gam một kim loại bằng dung dịch H2SO4 loãng dư , cô cạn dung dịch thu được 6,84 g muối khan. kim loại đó là
I. Complete each second sentence using the word given, so that is has the same meaning to the first sentence. 53. The world would be much better off if all environmental pollution stopped today. Were ............................................................................................................................................ 54. If the hole in the ozone layer had been discovered sooner, fewer people would have got skin cancer. Had ............................................................................................................................................. 55. He set off on his journey and he carried only one small bag. Carrying ...................................................................................................................................... 56. He left school and then he worked in a restaurant for a year. Having ......................................................................................................................................... 57. I was exhausted by lack of sleep and dozed off at my desk. Exhausted ................................................................................................................................... 58. The islanders are proud of the cheese they produce and they also like tourists to try the local honey. (take) Not only .................................................................... the cheese they produce, they also like tourists to try the local honey. 59. The President had only just been elected when the opposition party called for his resignation. (voted) No sooner .................................................................... the opposition party called for his resignation. 60. I’d buy a car but I’m unemployed. (out) If I ........................................................................................................., I’d buy a car. 61. Today at work, Debbie was constantly talking about her trip to Hungary. (nothing) Today at work, Debbie .................................................................... her trip to Hungary. 62. I prefer to eat spicy food. (preference) I .................................................................... spicy food. 63. Ted finds it difficult to study more than four hours a day. (used) Ted .................................................................... more than four hours a day. 64. “Don’t take the car because I need it”, my brother said. (told) My brother .................................................................... the car because he needed it.
Câu 1: Nêu ý nghĩa của các từ Top, Bottom, Left, Right?
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