Mọi người giúp em câu này vs, e cảm ơn Believe in yourself and nothing can stop you -> If you
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Currently, the development of COVID-19 is very complicated, so students are away from school and living at home to prevent infection. We often spend a lot of time together during the school year, so it is imperative that wash your hands often, especially before eating, after blowing your nose, and after using the toilet. And more importantly, we should wear a mask when recommended by the school and authorities and should be worn properly. We have to make a correct minimum distance of 1.5 m with people. Airborne respiratory viruses exist in saliva droplets when someone sneezes or coughs. So cover your nose and mouth when you sneeze or cough with a tissue or cough and sneeze into your elbow. We love to share utensils, favorite toys and cups with friends, but do not share eating utensils with friends, especially during flu season and other respiratory illnesses. It is important to comply in order to best prevent the Covid-19 epidemic.
Đặt y = f(x) = - 2x2 có đồ thị (C)
và y = g(x) = - 2x2 - 6x + 3 có đồ thị (C')
Ta có :
g(x) = - 2x2 - 6x + 3
= - 2\(\left(x^2+3x-\dfrac{3}{2}\right)\)
= - 2\(\left(x+\dfrac{3}{2}\right)^2\) + \(\dfrac{15}{2}\)
= \(f\left(x+\dfrac{3}{2}\right)+\dfrac{15}{2}\)
Vậy tịnh tiến (C) sang trái \(\dfrac{3}{2}\) đơn vị rồi kéo (C) lên trên \(\dfrac{15}{4}\) đơn vị ta được (C')
1.practice speaking every day or you can't improve your english
=> If you don't practice speaking every day, you can't improve your english.
2.study harder or you'ii fail in the next exam
=> If you don't study harder, you'll fail in the next exam.
3.Unless you water these plants,they will die
the plants will die if you don't water them.
4.study hard or you'ii fail in the next exam
=> If you don't study hard, you'll fail in the next exam.
5. keep calm is the secret of passing your driving test
=> If you keep calm, you will pass your driving test.
6.you can borrow the car, but you've got to fill it up with petrol
=> If you fill the car up with petrol, you can borrow it.
7.keep silent or the teacher will punish you
=> unless you keep silent, the teacher will punish you.
8.CUT YOUR HAIR OR THEY WON'T LET YOU IN
=> If you don't CUT YOUR HAIR, THEY WON'T LET YOU IN.
9.study hard and you will pass the exam
=> If you study hard, you will pass the exam.
10.save some money or you won't able to buy the house
=> If you don't save some money, you won't able to buy the house.
11 be good or your parents will be very unhappy
=> If you are not good, your parents will be very unhappy.
12.do it carefully or you'll feel sorry afterwards
=> If you don't do it carefully, you'll feel sorry afterwards.
13.ask him first and he will offer to help
=> If you ask him first, he will offer to help.
14.be calm or you'll make a wrong decision
=> If you are not calm, you'll make a wrong decision.
15.be careful or you'll cut yourself with that knife
=> If you are not careful, you'll cut yourself with that knife.
16.i don't have a car, so i can't drive you to the airport
=> If i had a car, i could drive you to the airport.
17.nam is too yuong, so he can't take part in the project to be trained to become an astronaut
=> If Nam was not too yuong, he could take part in the project to be trained to become an astronaut.
18. he doesn't do any exercise, that's why he is so unhealthy
=> If he did some exercise, he wouldn't be so unhealthy.
II/ rewrite these sentences with IF
1. Drive carefully or you will kill yourself
-> if you don't drive carefully, you will kill yourself
2. Listen carefully to me or you won't be able to do the exercise
-> if you don't listen carefully to me, you won't be able to do the exercise
3. Don't use electricity to catch fish or you will be fined heavily
-> if you use electricity to catch fish, you will be fined heavily
4. Don't drive carelessly or you will cause an accident
-> if you drive carelessly, you will cause an accident
5. Don't eat too much in the evening or you will get fat
-> if you eat too much in the evening, you will get fat
6. Staying up too late will make you tired the next day
-> if you stay up too late, you will tired the next day
7. Without working harder you will fail in the test
-> if you don't work harder, you will fail in the test
II/ rewrite these sentences with IF
1. Drive carefully or you will kill yourself
-> if you don't drive carefully, you will kill yourself
2. Listen carefully to me or you won't be able to do the exercise
-> if you don't listen carefully to me, you won't be able to do the exercise
3. Don't use electricity to catch fish or you will be fined heavily
-> if you use electricity to catch fish, you will be fined heavily
4. Don't drive carelessly or you will cause an accident
-> if you drive carelessly, you will cause an accident
5. Don't eat too much in the evening or you will get fat
-> if you eat too much in the evening, you will get fat
6. Staying up too late will make you tired the next day
-> if you stay up too late, you will tired the next day
7. Without working harder you will fail in the test
-> if you don't work harder, you will fail in the test
Do you ever wonder what to do with yourself in your (21) .....free........... time? Do you sometimes have nothing to do? Yes, you can ring a friend and (22) ..............chat............... to each other. You can keep yourself amused by watching TV or playing on the computer. Nevertheless, there are lots of (23) .............other.......... more interesting things you could do
Some people like to try to improve (24) .......themselves....... by learning how to draw, or play a musical instrument. Some people join (25) ........organzitions....... that help in the loca; community. For example, you can help by visiting an elderly neighbour who lives by himself or herself. You can also join the Scouts or a similar organization where the members do lots of things to (26) ...............help................... each other as well as other people in the community
Everybody has (27) .........something........ to offer! It doesn’t have to be anything big and nobody has to know about it! Go on, think of something you can do and make a (28) ..........difference....... !
Chọn từ phù hợp để điền vào chỗ trống
help | organzitions | difference | other |
chat | something | free | themselves |
Do you ever wonder what to do with yourself in your (21) ......free.......... time? Do you sometimes have nothing to do? Yes, you can ring a friend and (22) ..................chat........... to each other. You can keep yourself amused by watching TV or playing on the computer. Nevertheless, there are lots of (23) .............other.......... more interesting things you could do
Some people like to try to improve (24) ......themselves........ by learning how to draw, or play a musical instrument. Some people join (25) ........organizations....... that help in the loca; community. For example, you can help by visiting an elderly neighbour who lives by himself or herself. You can also join the Scouts or a similar organization where the members do lots of things to (26) ................help.................. each other as well as other people in the community
Everybody has (27) ......something........... to offer! It doesn’t have to be anything big and nobody has to know about it! Go on, think of something you can do and make a (28) ........difference......... !
If you believe in yourself, you won't be stopped. ( em ko chắc lắm ạ)