13923/39
Từ độ cao 1,5m so với mặt đất , một vật có khối lượng 80g được ném thẳng đứng lên cao với vận tốc 15m/s, lấy g=9,8 . chọn mốc thế năng tại mặt đất
1. tính cơ năng
2. tính độ cao cực đại của vật đạt được
3. xác định độ cao, vận tốc tại vị trí động năng = thế năng
4.''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' động năng = 3 thế năng
5.'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''thế năng = 3 động năng
giải thích được nghĩa của từ:''chân trhiời'',''chân thành'',''giá lạnh'',''giá đỗ'',''bàn tay'',''tay súng'',''cái bàn'',''bàn bạc'',''cánh buồm'',''cánh chim'',...;giải thúc nghĩa của từ''trong'' ở hai câu: Cát càng mịn, biển càng trong./ Trong lớp này,Lan là học sinh giỏi nhất
6 nguyên tố hóa học kí hiệu là a, b, c, d, e, f. biết rằng
nguyên tử f nặng hơn nguyên tử c khoảng 1,66 lần
'' ''c'' ''d'' ''1,16 lần
'' ''d '' ''b '' ''1,4 lần
'' ''b '' ''e '' ''2,857 lần
'' '' e '' ''a '' ''1,66 lần
biết a có nguyên tử khối là 12
Gợi ý: Từ câu cuối => a là C
Từ đó tính được e,b,d,c,f.
1. từ ''đồng'' trong ''cánh đồng mía'' và ''đồng môn'' có quan hệ với nhau..... 2. từ ''cổ'' trong ''khối đồ cổ'' và ''cổ áo'' có quan hệ với nhau..........
đồng ở trong cánh đồng mía là chỉ cánh đồng
còn đồng trong đồng môn là giống nhau, cùng nhau
từ cổ trong khối đồ cổ là tính từ
trong cổ áo là danh từ
Các từ ''nhà cửa'', ''đất đai'', ''học sinh'', ''ông bà'' đều là từ.....
giúp tớ làm bài này vs ; change these statement into indirect speech:
1. ''I must go home now''
2. ''our new house is very beautiful''
3.''I don't want to become an english teacher''
4. ''I'm thinking of going to study english in australia next month''
5. ''I can't speak chinese well''
6. ''my sister must go to the supermarket tomorrow ''
7. '' my sister is now having a wonderful time in nha trang ''
8. ''I will be very busy today doing my homework ''
9. '' I 'm going away for a few day . I'll phone you late''
10. '' we will spend our holiday in da lat next summer''
11.''I don't understand what you are saying ''
12. '' there isn't any information about these colleges''
13. ''this birthday cake is delicious ''
14. ''I love these rose''
15. '' I'm having a wonderful time here with my parents ''
16. ''I will go to visit ha long bay tomorrow''
17. ''I must leave now ''
18 ''my name is hoa''
19.'' you can sit here if you like''
20. '' I'm taking my driving test tomorrow''
1. ''I must go home now''
=> She said she had to go home then.
2. ''our new house is very beautiful''
=> They said their new house was very beautiful.
3.''I don't want to become an english teacher''
=> He said he didn't want to become an English teacher.
4. ''I'm thinking of going to study english in australia next month''
=> He said he was thinking of going to study English in Australia the following month.
5. ''I can't speak chinese well''
=> She said she couldn't speak Chinese well.
6. ''my sister must go to the supermarket tomorrow ''
=> He said his sister had to go to the supermarket the following day.
7. '' my sister is now having a wonderful time in nha trang ''
=> She said her sister was then having a wonderful time in Nha Trang.
8. ''I will be very busy today doing my homework ''
=> He said he would be very busy that day doing his homework.
9. '' I 'm going away for a few day . I'll phone you late''
=> She said she was going away for a few days and she would phone me late.
10. '' we will spend our holiday in da lat next summer''
=> They said they would spend their holiday in Da Lat the following summer.
11.''I don't understand what you are saying ''
=> He said he didn't understand what I was saying.
12. '' there isn't any information about these colleges''
=> She said there wasn't any information about those colleges.
13. ''this birthday cake is delicious ''
=> She said that birthday cake was delicious.
14. ''I love these rose''
=> He said he loved those rose.
15. '' I'm having a wonderful time here with my parents ''
=> He said he was having a wonderful time there with his parents.
16. ''I will go to visit ha long bay tomorrow''
=> She said she would go to visit Ha Long Bay the following day.
17. ''I must leave now ''
=> He said he had to leave then.
18 ''my name is hoa''
=> She said her name was Hoa.
19.'' you can sit here if you like''
=> She said I could sit there if I liked.
20. '' I'm taking my driving test tomorrow''
=> He said he was taking his driving test the following day.
giúp tớ làm bài này vs ; change these statement into indirect speech:
1. ''I must go home now''
She said she had to go then.
2. ''our new house is very beautiful''
They said their house was very beautiful.
3.''I don't want to become an english teacher''
She said she didn't want to become an English teacher.
4. ''I'm thinking of going to study english in australia next month''
She said she was thinking of going to study English in Australia the next month.
5. ''I can't speak chinese well''
She said she could speak English well.
6. ''my sister must go to the supermarket tomorrow ''
She said her sister had to go to the supermarket the next day.
7. '' my sister is now having a wonderful time in nha trang ''
She said her sister was now having a wonderful time in Nha Trang.
8. ''I will be very busy today doing my homework ''
She said she would be very busy that day doing her homework.
9. '' I 'm going away for a few day . I'll phone you late''
She said that she was going away for a few days and would phone me when she got back.
10. '' we will spend our holiday in da lat next summer''
They said they would spend their holiday in Da Lat the next summer.
11.''I don't understand what you are saying ''
She said she didn't understand what he was saying.
12. '' there isn't any information about these colleges''
She said there weren't any information about those colleges.
13. ''this birthday cake is delicious ''
She said that birthday cake was delicious.
14. ''I love these rose''
She said she loved those rose.
15. '' I'm having a wonderful time here with my parents ''
She said she was having a wonderful time there with her parents.
16. ''I will go to visit ha long bay tomorrow''
She said she would go to visit Ha Long Bay the next day.
17. ''I must leave now ''
She said she had to leave then.
18 ''my name is hoa''
She said her name was Hoa.
19.'' you can sit here if you like''
She said I could sit there if I liked.
20. '' I'm taking my driving test tomorrow''
She said she was taking her driving test the next day.
Change into reported speech
81.He said to me, '' I gave him your present ''
82.He asked me, ''Who is Olive Twist''
83.My mother asked me, ''What's the matter with you''
84.I asked him, ''Which book do you find''
85.He asked me, ''When do you finish your work''
86.Mai asked me, ''Why didn't you come''
87.She said, ''I can't find my umbrella''
88.They said, ''We are learning English now''
89.''My friend is coming next week'' Tom said
90.''I'll help my mom with housework this weekend''
91.''We shall overcome this difficulty'' they said
92.''My father is a doctor here'' my friend said
93.''I am going on holiday tomorrow'' the boy said to his neighbor
94.''I came back here early yesterday'' she said
95.''I've broken the vase'' she said
96.''I will never she you again'' the boy said to the girl
97.He said to her, ''You are my friend''
98.Jonny said to his mother, ''I don't know how to do this excercise''
99.''We are waiting for the school bus'' said the children
100.Marry said, ''My father died a year ago''
101.John said, ''I have finished studying my lesson''
102.Mary said, ''I can not go to the movies with you, John''
103.''I shall expect to see you next Wednesday'' Mary said to her friend
104.He said, ''I don't know what happened''
105.She said, ''I went to the doctor yesterday''
106.He said, ''I have a toothache''
107.She said, ''I'll write him a prescription''
108.They said, ''We're going to the drugstore''
109.He said, ''The doctor gave me some pills''
110.She said, '' I go to the supermarket everyday''
Change into reported speech
81.He said to me, '' I gave him your present ''
he said he had given him my present
82.He asked me, ''Who is Olive Twist''
he asked me how olive twist was
83.My mother asked me, ''What's the matter with you''
my mother asked me what matter with me was
84.I asked him, ''Which book do you find''
i asked him which book he found
85.He asked me, ''When do you finish your work''
he asked me when I finished my work
86.Mai asked me, ''Why didn't you come''
mai asked me why I hadn't come
87.She said, ''I can't find my umbrella''
she said she couldn't find her umbrella
88.They said, ''We are learning English now''
they said they were learning english then
89.''My friend is coming next week'' Tom said
tom said his friend was coming the follow week
90.''I'll help my mom with housework this weekend''
she said she would help her mom with housework that weekend
91.''We shall overcome this difficulty'' they said
they said they would overcome that difficulty
92.''My father is a doctor here'' my friend said
my friend said his father was a doctor there
93.''I am going on holiday tomorrow'' the boy said to his neighbor
the boy said to his neighbor he was going on holiday the next day
94.''I came back here early yesterday'' she said
she said she had come back there early the day before
95.''I've broken the vase'' she said
she said she had broken the vase
96.''I will never she you again'' the boy said to the girl
the boy said to the girl he would never see her again
97.He said to her, ''You are my friend''
he said to her she was his friend
98.Jonny said to his mother, ''I don't know how to do this excercise''
jonny said to his mother he didn't know how to do that excercise
99.''We are waiting for the school bus'' said the children
the children said they were waiting for the school bus
100.Marry said, ''My father died a year ago''
mary said her father had died a year before
101.John said, ''I have finished studying my lesson''
john said he had finished studying his lesson
102.Mary said, ''I can not go to the movies with you, John''
mary said she couldn't go to the movies with john
103.''I shall expect to see you next Wednesday'' Mary said to her friend
mary said to her friend she would expect to see him the follow wednesday
104.He said, ''I don't know what happened''
he said he didn't know what happened
105.She said, ''I went to the doctor yesterday''
she said she had gone to the doctor the day before
106.He said, ''I have a toothache''
he said he had a toothache
107.She said, ''I'll write him a prescription''
she said she would write him a prescription
108.They said, ''We're going to the drugstore''
they said they were going to the drugstore
109.He said, ''The doctor gave me some pills''
he said The doctor had given him some pills
110.She said, '' I go to the supermarket everyday
she said she went to the supermarket everyday
Phonetics
1. A) 'c'ook; B) 'c'athedral; C) 'c'lebrate; D) 'c'andy
2. A) 'A'pril; B) t'a'ke; C) tr'a'dition; D) decor'a'te
3. A) m'o'ther; B) cl'o'se; C) ph'o'to; D) m'o'st
4. A) l'ea've; B) br'ea'k; C) rep'ea't; D) p'ea'ceful
5. A) bridg'es' B) tabl'es' C) wardrob'es' D) telephon'es'
Phonetics
1. A) 'c'ook; B) 'c'athedral; C) 'c'lebrate; D) 'c'andy
2. A) 'A'pril; B) t'a'ke; C) tr'a'dition; D) decor'a'te
3. A) m'o'ther; B) cl'o'se; C) ph'o'to; D) m'o'st
4. A) l'ea've; B) br'ea'k; C) rep'ea't; D) p'ea'ceful
5. A) bridg'es'; B) tabl'es'; C) wardrob'es'; D) telephon'es'
Phonetics
1. A) 'c'ook; B) 'c'athedral; C) 'c'lebrate; D) 'c'andy
2. A) 'A'pril; B) t'a'ke; C) tr'a'dition; D) decor'a'te
3. A) m'o'ther; B) cl'o'se; C) ph'o'to; D) m'o'st
4. A) l'ea've; B) br'ea'k; C) rep'ea't; D) p'ea'ceful
5. A) bridg'es'; B) tabl'es'; C) wardrob'es'; D) telephon'es'
1 my aunt(A)'wants'(B)'eat'(C)'some'(D)'sandwiches'
2nam(a)'looks'very(b)'happily'(c)'because'he(d)'smiles' a lot
3 when we (a)'were'(b)'having' dinner (c)'the' lights(d)'were going' out
1 C => to eat
2 B => happy
3 D -> went
1. eat -> to eat
2. happily -> happy
3. were going -> went