Luyện tập tổng hợp
Các câu hỏi tương tự
Tìm Tập xác định của các hàm số sau
a) y = \(\dfrac{\sqrt[3]{x^2-1}}{x^2+2x+3}\)
b) y = \(\dfrac{x}{x-\sqrt{x}-6}\)
c) y= \(\dfrac{\sqrt[3]{x-1}}{x^2+x+1}\)
d) y = \(\dfrac{\sqrt{x^2-2x+3}}{x-3\sqrt{x}+2}\)
e) f(x) = \(\dfrac{1}{\sqrt{1-\sqrt{1+4x}}}\)
Tìm tập xác định của hàm số y = \(\sqrt{4+x}+\sqrt{2-x}\) là bao nhiêu ?
Câu 1. Nguyên tố X ở chu kì 3, nhóm VIA. Nhận xét nào dưới đây sai khi nói về X.
A. X là nguyên tố p B. X có 6e ở lớp ngoài cùng C. X có 3 lớp electron D. X có 6 lớp electron
Exercise 2. Are the following sentences right (V) or wrong (x)? Mark them with (V ) or (x) and correct the mistakes.1. Syrups are gooder than pills in treating a sore throat.___________________2. Ointments are the most effective medicines for bruises. __________________3. Inhalers are best for breathing problems. __________________4. My Latin class is more boring than my English class.______ _______________5. In the UK, the streets are generally more narrow than in the USA._________________6. Lo...
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Exercise 2. Are the following sentences right (V) or wrong (x)? Mark them with (V ) or (x) and correct the mistakes.
1. Syrups are gooder than pills in treating a sore throat.___________________
2. Ointments are the most effective medicines for bruises. __________________
3. Inhalers are best for breathing problems. __________________
4. My Latin class is more boring than my English class.______ _______________
5. In the UK, the streets are generally more narrow than in the USA._________________
6. London is more busier than Glasgow . ___________________
7. My garden is a lot colourful than this park. __________________
8. Yesterday the weather was much more nicer than it is today. ___________________
9. Amanda is the most ambitious than her classmates. ____________________
10. This is the most interesting type of recreation. __________________________
Câu 1. Nguyên tử nguyên tố X có tổng số hạt (p, n, e) là 76, trong đó số hạt mang điện nhiều hơn số hạt không mang điện là 20 hạt. Cấu hình electron nguyên tử của nguyên tố X làA. [Ar] 3d54s1. B. [Ar] 3d44s2. C. [Ar] 4s13d5. D. [Ar] 4s23d4.
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Câu 1. Nguyên tử nguyên tố X có tổng số hạt (p, n, e) là 76, trong đó số hạt mang điện nhiều hơn số hạt không mang điện là 20 hạt. Cấu hình electron nguyên tử của nguyên tố X là
A. [Ar] 3d54s1. B. [Ar] 3d44s2. C. [Ar] 4s13d5. D. [Ar] 4s23d4.
Giups mk nhanh với về mạo từ
Exercise 2: Choose the best answer
1. My mother goes to church in ______ morning.
A. x B. every C. the D. a
2. I eat ______ everyday.
A. a banana B. banana C. the bananas D. any banana
3. Harry is a sailor. He spends most of his life at _____ sea.
A. a B. an C. the D. x
4. There are billions of stars in _____ space.
A. a B. an C. x D. the
5. He tried to park his car but _____ space wasn’t big enough.
A. the B. a C. an D. x
6. Can you turn off _____ telev...
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Giups mk nhanh với về mạo từ
Exercise 2: Choose the best answer
1. My mother goes to church in ______ morning.
A. x B. every C. the D. a
2. I eat ______ everyday.
A. a banana B. banana C. the bananas D. any banana
3. Harry is a sailor. He spends most of his life at _____ sea.
A. a B. an C. the D. x
4. There are billions of stars in _____ space.
A. a B. an C. x D. the
5. He tried to park his car but _____ space wasn’t big enough.
A. the B. a C. an D. x
6. Can you turn off _____ television, please?
A. the B. a C. an D. x
7. We had _____ dinner in a restaurant.
A. a B. an C. x D. the
8. We had _____ meal in a restaurant.
A. a B. an C. the D. x
9. Thank you. That was ______ very nice lunch.
A. a B. an C. the D.x
10. ______rose is my favourite color.
A. a B. an C. the D. x
11. When was _____ computer invented?
A. a B. an C. the D. x
12. My daughter plays _____ piano very well.
A. the B. a C. an D. x
13. Mary loves _____ flowers.
A. a B. an C. the D. x
14. Jill went to ______ hospital to see her friend.
A. x B. the C. a D. an
15. Mrs Lan went to ______ school to meet her son’s daughter.
A. x B. the C. a D. an
16. Carol went to ______ prison to meet her brother.
A. the B. a C. an D. x
17. Sandra works at a big hospital. She’s _______.
A.nurse B. a nurse C. the nurse D. an nurse
18. She works six days _____ week.
A. in B. for C. a D. x
19. ______ is a star.
A. Sun B. A sun C. The sun D. Suns
20. What did you have for ______ breakfast this morning.
A. x B. a C. an D. the
21. London is _____ capital of England.
A. an B. a C. x D. the
22. When ______ invented?
A. was telephone B. was the telephone C. were telephones D. were a telephone
23. We visited _______ two years ago.
A. Canada and the United States B. the Canada and the United States
C. the Canada and United States D. Canada and United States
24. Are you going away next week? No, _______ week after next.
A. a B. the C. some D. x
25. We haven’t been to ______ for years.
A. cinema B. the cinema C. a cinema D. any cinema
26. It took us quite a long time to get here. It was ______ journey.
A. three hour B. a three- hours C. a three- hour D. three- hours
27. If you live in _______ foreign country, you should try and learn the language.
A. the B. x C. an D. a
28. Did your train leave from ______ ?
A. the 8 Platform B. an Platform 8 C. some Platform 8 D. Platform 8
29. I can’t work here. There’s so much ______.
A. noise B. noises C. the noise D. a noise
30. Do you need ____?
A. an umbrella B. a umbrella C. umbrella D. an umbrellas
31. I’ve seen ______ good films recently.
A. a B. the C. some D. an
32. I often watch ______ television for two hours every night.
A. some B. the C. any D. x
33. The injured man was taken to _____.
A. hospital B. any hospital C. the hospital D. hospitals
34. She went out without _____ money.
A. any B. an C. a D. x
35. Toshi speaks ______ at home.
A. the Japanese B. Japan C. the Japan D. Japanese
X. Complete the sentences below using the provided words and phrases
1. Albert Einstein/ born/ 1897/ Germany/die/ 1955
2. He/graduate/University of Zurich/1905
3. 1919/win/the Nobel Prize/physics
4. 1919/to 1933/live/Germany/travel/lot/talk/scientists
5.1933/leave/Germany/United States/live/until/death
1. Tell me about the city ___ two of you visited in your honeymoon.
a. that
b. where
c. which
d. X
2. I must Find the book that ___ was asked to read before Mr.Brown's next lesson.
a. X
b. we
c. I
d. which
3. Please remember to pay all the bills___are due this week before you leave.
a. X
b. that
c. when
d. they
nguyên tử x có tổng số hạt cơ bản là 10 xác định p,e,n
nguyên tử nguyên tố x có tổng số hạt cơ bản là 34 xác định p,e,n viết kí hiệu nguyên tử nguyên tố x