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a)Quãng đường mà ô tô đã đi trong 3/2 giờ là:
90.3/2=135(km)
Ô tô đã đi được:
135:300.100=45%(quãng đường)
b)Nếu giảm 20% thì vận tốc của ô tô sẽ là:
90-(90.20%)=72(km/h)
Nếu vận tốc giảm 20% thì số thời gian mà ô tô cần để đi hết quãng đường AB là:
300:72=4vaf1.6(giờ)=4 giờ 10 phút.
Đáp số:a)45%
b)4 giờ 10 phút.
Bạn nói rất đúng cho 10 điểm
và đoạn văn Tiếng Anh ưa thích của mk:
FAMILY
I cannot imagine living my life without my family by my side. Family is very important and valuable to me and is something that should never be taken for granted. Without my family, a large part of my life and culture would be missing.
Whether it’s my grandparent, my two sisters, my mom, or my dad, I know I can always count on someone to help me feel better. In fact, I think that this is probably the most important thing that my family has taught me; a family is made up of people who you can trust and who you can count on.
Too many times today, we read in the papers about families where parents abuse their children, verbally and physically. What these parents don’t realize is that they are either beginning or involving themselves in a vicious circle of hate in families. When parents abuse their children, they are telling their children that that is the way to raise children, and this is what their children learn. I was lucky, I have learned differently, because my family cares about me, and I care about them.
In this world of doubt, insecurity, and fear, my family is always there for me, holding their arms open to me with love. On the first day of first grade, I didn’t want to go to school, I had butterflies in my stomach and I found it difficult to walk because I was so nervous. The only reason that I finally went into the classroom is because my mom walked in with me, and promised me that as soon as school was out, she’d be there waiting for me, ready to bring me back to where I felt most comfortable, my family.
Luckily, I’m a little more grown up now; I can go into school by myself, and in a couple of years, when I go away to college, I’ll really have to go to school by myself. There will be no one who I will know at college. Of course I know I’ll make friends, but none of them will mean as much to me as my family does.
tk cho mk nhá
Bạn nói rất đúng.Mình cũng cảm thấy như bạn nhưng ko dám nói vì sợ báo cáo và cảm ơn bạn đã nói hộ tiếng lòng của mình
1. A. like B. did C. sang D. got
2. A. breakfast B. lunch C. afternoon D. dinner
3. A. enjoy B. chat C. book fair D. join
4. A. eat B. invited C. went D. bought
5. A. ancient B. modern C. crowded D. town
6. A. cartoon B. story book C. comic D. detective story
7. A. sports festival B. book fair C. join D. funfair
8. A. always B. twice C. usually D. never
9. A. once B. two C. nine D. eleven
10. A. how often B. how C. who D. hello
EX2: Odd one out:
1. A. like B. did C. sang D. got
2. A. breakfast B. lunch C. afternoon D. dinner
3. A. enjoy B. chat C. book fair D. join
4. A. eat B. invited C. went D. bought
5. A. ancient B. modern C. crowded D. town
6. A. cartoon B. story book C. comic D. detective story
7. A. sports festival B. book fair C. join D. funfair
8. A. always B. twice C. usually D. never
9. A. once B. two C. nine D. eleven
10. A. how often B. how C. who D. hello
1. He/She collects stamps. 2. She/He goes to school by bus. 3. He/ She drives to work.
4. He/She hurries home every day. 5. He/She arrives late every morning.
6. He/She washes their hands before meals. 7. He/She plays basketball twice a week.
8. He/She tidies their bedroom every day. 9. He/She usually gets up at 7:30.
10. He/She listens to the radio at night.
Bài 1: Em hãy khoanh tròn chữ cái chỉ một từ khác với các từ còn lại:
1. A. football B. song C. tennis D. badminton
2. A. Vietnamese B. April C. Australian D. American
3. A. picture B. red C. black D. green
4. A. teacher B. nurse C. cooker D. cook
5. A.Vietnam B. Singapore C. American D. England
6. A.nice B. take C. thin D. big
7. A. write B. sing C. read D. friend
8. A. shirt B. letter C. blouse D. dress
9. A. am B. is C. are D. an
10. A. white B. green C. sing D. red
11. A. week B. year C. month D. we
12. A. sometimes B. always C. often D. now
Bài 2: Choose the correct answer
1. Are you a student or a teacher?
a. Yes, I am b. No, I am not c. I’m a student d. Yes, I
2. ……..down, please ! a. Sit b. Open c. Close d. Stand
3. ……..up please ! a. Sit b. Open c. Close d. Stand
4. What is ………favourite colour ? I like red. a. his b. her c. your d. you
5. Whose book is this ? a. It’s me b. It’s her c. It’s him d. It’s mine
6. Choose a word which has different part of pronunciation:
a. do b. mother c. brother d. sometimes
7. What are ……..? They are my books. a. it b. this c. that d. these
8. Can you drink……..? -Yes, I can. a. orange juice b. rice c. chicken d. bread
9. I am …..a picture now. a. writing b. playing c. singing d. drawing
10. Tick the odd one out a. picture b. red c. black d. green
Bài 3: Fill in the blank
1. subject 2. doctor 3. head 4. jeans 5. course
6. sunday 7. end 8. three 9. half 10- climb
Bài 4: Matching
1. coconut 2. grape 3. badminton 4. England 5. desktop 6. apple 7. volleyball 8. bus-stop 9. schoolyard 10. bottles | a. cầu lông b. nho c. sân trường d. dừa e. màn hình f. bóng chuyền g. bến xe buýt h. chai i. táo j. nước Anh | 1. Hippo 2. Christmas day 3. stadium 4. blackboard 5. clouds 6. National day 7. carpark 8. bathroom 9. crocodile 10. inkpot | a. sân vận động b. phòng tắm c. cá sấu d. chỗ đậu xe e. lễ nô en f. đám mây g. bình mực h. hà mã i. bảng đen j. ngày độc lập |
1-d,2-b,3-a,4-j,5-e,6-i,7-f,8-g,9-c,10-h
1-h,2-e,3-a,4-i,5-f,6-j,7-d,8-b,9-c,10-g
Bài 5:Leave me out
1. tired 2. mother 3. red 4. science 5. Vietnamese
6. ugly 7. English 8. member 9. American 10. help
Bài 6:Choose the odd one out
1. A. Monday B. Sunday C. Friday D. May
2.A.hot B. weather C. cold D. warm
3.A.when B. how C. what D. these
4.A.subject B. English C. Science D. Music
5. A. draw B. song C. write D. read
6. A. Singapore B. America C. England D. Chinese
7. A. worker B. music C. teacher D. student
8. A. banana B. milk C. apple D. orange
9. A. April B. Tuesday C. March D. August
10. A. cough B. toothache C. head D. fever
1) a. (Vì các từ còn lại đều ở thì quá khứ)
2) d. Town (Vì các từ còn lại đều là tính từ, Town là Danh từ)
3) a. Cartoon (Vì Cartoon chỉ phim còn các từ khác chỉ về truyện, sách)
4) c. Join (Vì Join là Động từ, các từ khác là Danh từ)
5) d. Hello (Hello là câu chào, các từ khác là từ hỏi)
Mong các bạn k cho mình (Nhất là tác giả) :)))
I. Em hãy khoanh tròn A,B,C hoặc D cuả từ khác với các từ còn lại .
1.a. b . did c. sang d .got
2. a. ancient b . modern c.crowded d .town
3.cartoon b.story book c. comic d. detective story
4.a. sports festival b.bookfair c.join d.funfair
5.a.how often b.how c.who d.hello