HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
Tìm và chữa lỗi sai
1 John usually goes to the dancing group at Saturday night
2 Yesterday Tam went to school late. - So do I
3 In Geography, we study past and present events in Vietnam and around the world
4 We can learn many things in books
5 I'm tired of waiting for buses, I'm going there in foot
P = (\(\dfrac{2\sqrt{x}}{\sqrt{x}}-\dfrac{x-4}{\sqrt{x}+2}\)). \(\dfrac{1}{\sqrt{x}-2}\)
a Tìm đkxđ rồi rút gọn P
b Tìm x để P = \(\dfrac{2}{3}\)
c Tính p khi x = 8\(-\)2\(\sqrt{7}\)
1 As students, we .............. our teachers
A ought obey B must to obey C ought to obey D must obeying
2 His ............. always makes people laugh
A quiet character B smiles C sense of humor D chistmas presents
3 As a leader, he must learn how to speak well
A in public B in school c outside D in country
Điền giới từ thích hợp
1 Could I help you................................your bag
2 Na got up late.........................Saturday morning
3 I'm looking forward ............................. seeing you in june
4 Our country is rich ................................oil and rubber
5 The school finisher....... 11.00. My mother often picks me up from the school ..... 11.00
6 the school cafeteria only opens............... lunchtime
7 They have a meeting................ 6.30 and 9.30
8 I'm going to invite my friends to come over ................. dinner tonight
9 Next summer, my famiy will have a vacation ............ thailand and stay there......one week
10 My mother is very keen ............ growing roses
1 He stept in his room when the fire alarm rang
2 shall you close the window for me, please?
3 He gets up early in order to reviewing lessons before school
4 The ambulance will be there for about ten minutes?
5 The hospital hasn't been repaired since it built
6 the book writting by Jack London is very popular in the world
7 If the victim gets shock, don't give him some food
\(\sqrt{9a}\)\(\left(5-3\sqrt{a}\right)-5\left(3\sqrt{a}-5\right)\)
c \(\dfrac{\sqrt{x}}{\sqrt{x}-2}-\dfrac{2}{\sqrt{x+2}}\)
d \(\dfrac{1}{\sqrt{x}-3}-\dfrac{1}{\sqrt{x+3}}\)
A 7ab. \(\sqrt{\dfrac{36a^4}{49b^2}}\) với b > 0
I Correct the mistakes in there sentences
1 He went to bed after he brushing his teeth
2 Viet Nam is one of a most beautiful countries in AEAN
3 Something have happenned to their kitchen
4 He told good bye to this parents and left
5 the exercise did carefully