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franknguyenfocus
2 năm trước
Một nguồn điện có suất điện động 6V, điện trở trong 2 ôm.Để công suất tiêu thụ trên mạch ngoài 4W thì điện trở mạch ngoài R có giá trị bao nhiêu? Mn giúp e đi ạ 😭
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cho dạng đúng của từ trong ngoặc đơn 1 My mother (USUAL) cook lunch for the poor 2 Our parents have fun (WORKER) together on the farm 3 Do you work (FEW) hours than your sister ? 4 I find it more ( INTEREST) to play sports 5 She find the film (INTEREST) , so she turn off the TV 6 Our most ( IMPORTANCE ) VACATION IS Christmas 7 ( VIETNAM) students have fewer vacation than (AMERICA) ones 8 It's not (EASE) to speak English fluently 9 My father 's (WORK) week is about 45 hours 10 His uncle is a (MECHINE) at this factory 11 She is ( PLEASE) to hear that her parents are well 12 I 'm ( INTEREST) in History . It's really ( INTEREST) 13 I hope you'll join in our chirstmas ( CELEBRATE) 14 He earns ( MUCH ) money than his wife 15 Summer holiday is the (LONG) holiday in Vietnam 16 I will ( DEFINITE) be back by ten 17 Vietnamese ( STUDY) have a long summer vacation 18 We should do more to help ( home ) people 19 She knows ( little) than I do about it 20 After breaksfast , Mr hai ( COLLECTION) the eggs 21 My mother always take ( CAREFUL) of my family 22 A farmer has no (REALLY) vacations 23 I can't do that exercise . It;s (EASY) 24 Lan is a good student. She can do that hard exercise ( EASY)

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