Các vị giúp mị nha~
Section II:Supply the correct tense for the verbs in brackets
1.My mother often (go).........to the market every morning but she(not go)............there this morning
=>.............................................................................
2.When(you/have)....................the last medical check-up?
=>...........................................................
3.Why(you/not take)............part in the picnic last Sunday?
=>..................................................................................
4.Where(your teacher/be)..........?
-He(explain)............a new lesson in that class
=>.........................................................................
5.I(pick).........you up at yuor hotel in half an hour
=>.....................................................................
6.We can't go out now because it(rain)
=>......................................................................
Section III:Give the correct form of the words in brackets
1.The noise in the city kept Hoa..............at night.(Wake)
2.In..............to that,my bike tires was flat.(Add)
3.Mr.Tan has a very............tooth(pain)
4.Then,Thanh..........a pan and stir-fried the beef( hot)
5.Sugar is not an .............food because we need it to live(heath)
6.Cathing the common cold is.......for every body(plese)
7.Don't worry!Your cold will last for a few days and then....................(appear)
8.I have......................time to play than my friend(little)
Section IV|:Finish each of the following sentences in such a way that is it as similar as possible in meaning to the sentences printed before it
1.Listening to music is more intersting than watching TV
=>I prefer..............................................................
2.It isn't important for you to finish the work today
=>You don't................................................
3.How much is this dictionary?
=>What .....................................?
4.How heavy is the chicken?
=>What...........................................?
5.Mr.Trung and Mrs.Trung type quickly
=>Mr.Trung and Msr Trung ............................................
6.I got to work in half yesterday
=>It took........................................................
7.My mother doesn't like coffer and tea
=>My mother likes neither.........................................
8.You shouldn't eat too much candy
=>You'd........................................................
Section V:There is a mistake in each of the sentences.Underline the mistake and then correct it
1.The dirt on vegetable can cause you sick
=>.....................................................
2.Scientists say that the life started in the ocean
=>.................................................................
3.He gave up to smoke 2 years ago
=>................................................................
4.He is fast runner.He runs fastly
=>...........................................................
5.Can I lend your pencil?I'm sorry.I'm using it
=>.........................................................
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Các vị giúp mị nhoa~Mị cảm ơn các vị nhiều ạ^^
Các vị giúp mình nha
Viết câu cho nghĩa không đổi
Hoa and Minh didn't go to school yesterday because of illness
=>Hoa and Minh were..........................................
Binh can swim better than Nam
=>Nam can't
How wide is the stadium?
=>What..........................
We will have a Sa Pa tour that last for five days
=>We will have............................
Can't you do better than that?
=>Is that..............................................
It isn't necessary for students to wear uniform on Wednesday
=>Students.........................................
She feels comfortable to watch TV
=>Watching TV.........................................
We spent a whole day looking for these old picture
=>It took......................................
What is the distance between your hometown and your school?
=>How.............................
Các vị ơi~Các vị giúp mị mấy bài này nha~Nha nha~Đi mừ~Nha
Câu 1
a,Tính giá trị của biểu thức sau:
P=51:\(\left(\dfrac{2,5+\dfrac{5}{17}-\dfrac{5}{13}}{1,5+\dfrac{3}{17}-\dfrac{3}{13}}-\xrightarrow[1\dfrac{3}{4}-0,7+\dfrac{1}{2}]{1,5-0,6+\dfrac{3}{7}}\right)\)
b,tìm x biết:\(\)\(I2x^2+I2x-5II=2x^2+1\)
Các vị ơi~Cái ký hiệu giá trị á~Mị ghi là chữ I nha~
Câu 2
Cho a,b,c là 3 số thực dương thỏa mãn
\(\dfrac{a+b}{c}=\dfrac{b+c}{a}=\dfrac{c+a}{b}\)
Hãy tính giá trị của biểu thức
A=\(\left(1+\dfrac{b}{a}\right)\)\(\left(1+\dfrac{a}{c}\right)\)\(\left(1+\dfrac{c}{b}\right)\)
Tìm tập hợp các số nguyên x sao cho
\(\left(2x^2+3\right)\left(x^2-3\right)\left(x^2-25\right)< 0\)
Câu 3
a,Tìm hai số x và y sao cho x+y=xy=x:y(y không bằng 0)
b,Cho 3 số x,y,z thỏa mãn xyz=1.Chứng minh rằng
\(\dfrac{1}{xy+x+1}+\dfrac{y}{yz+y+1}+\dfrac{1}{xyz+yz+y}=1\)
Câu 4
Chứng minh rằng p là tích của n số nguyên tố đầu tiên thì p+1 và p-1 không thể là các số chính phương
Câu 5
Cho tam giác ABC có 3 góc nhọn \(\widehat{ABC}=2\widehat{C}\) đường cao AH.Trên tia đối của tia BH lấy điểm D sao cho BD=BH,đường thẳng DH cắt AC ở K.Chứng minh rằng
a,Tam giác HKC là tam giác cân
b,KA=KC
c,AD=HC