ai có đề hóa lớp 8 ko cho mk xin ms
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Hòa tan hoàn toàn m gam một oxit sắt bằng hung dịch H2So4 đặc nóng thu a mol So2 duy nhất ,Mặt khác , sau khi khử hoàn toàn m gam oxit trên bằng CO ở nhiệt độ cao rồi cho toàn bộ lượng fe tạo thành vào h2so4 đặc nóng dư thu 9 a mol so2 duy nhất ,Tìm công thức oxit sắt
tiếng anh
PART TWO: PHONES
I. Circle the letter A, B, C or D before the word in each group that has the underlined part pronounced differently from the rest. (0,2 x 10 = 2 pts)
1. A. promised B. hoped C. booked D. burned
2. A. though B. ought C. thought D. bought
3. A. hard B. carry C. card D. yard
4. A. try B. why C. heavy D. dry
5. A. cool B. food C. look D. Flood
II. Choose the word whose main stress is placed differently from the others in each group.(0,2 x 10= 2 pts)
1. A. realize B. improve C. possible D. comfortable
2. A. important B. especially C. prefer D. influence
3. A. general B. opinion C. abroad D. surprise
4. A. comfort B. nation C. apply D. moment
5. A. medical B. advise C. vegetables D. physical
PART THREE: VOCABULARY AND GRAMMAR (0.2 x 30 = 6.0 pts)
I. Circle the best option A, B, C or D to complete the following sentences. (0,2 x 10 = 2 pts)
1. The teacher told him ___________ up late.
A. to not stay B. to stay not C. to stay not D. not to stay
2. My father is good at ____________ English.
A. speaking B. spoken C. speak D. to speak
3. We are all ________ that you passed your English exam. Congratulation!
A. relieved B. afraid C. delighted D. certain
4. “__________to come and have dinner with us?” “I’d love to but I’m very busy”.
A. would you mind B. Could you please
C. Would you D. Do you enjoy
5. I am very _____________ in the information you have given me.
A. concerned B. interested C. surprised D. worried
6. Can you tell me where ______________ ?
A. she does B. does she C. she is D. is she
7. You have to work ____________ for the coming exam.
A. hardly B. more hardly C. more hard D. hard
8. I saw her _____________ the flowers in the garden.
A. watering B. watered C. be watered D. is watering
9. They had their luggage ___________ by the porter.
A. carry B. carrying C. to carry D. carried
10. She often spends her weekend ___________ through pleasant open countryside.
A. travel B. traveling C. to travel D. to traveling
II. Use the words given in brackets to form a word that fits in the space. (0,2 x 10 = 2pts)
1. This book has a lot of information. It's very _________________. (use)
2. You'll meet the tour guide on your ________________ at the hotel. (arrive)
3. Our post is delivered ______________________except for Saturday (day)
4. Ha Long Bay was by UNESCO as a World Heritage Site. (recognition)
5. Relax for some minutes and you'll feel more ______________ . (comfort)
6. His parents are very __________________ of him. (pride)
7. "The lost shoes" is one of the _______________ stories I best. (tradition)
8. The _____________ from Hanoi to London was delayed in two hours. (fly)
9. I'm sure that I have connected the printer ___________ . (proper)
10. Each of my friends has a _________________ character. (differ)
ko phải đề nào cũng giống đề nào lên cứ lên gg choa chắc nhá:)
I. Choose the word which has the underlined part pronounced differently from the others. (1mark)
1. A. Breakfast B. Teacher C. East D. Please
2. A. Children B. Church C. Headache D. Beach
3. A. See B. Salt C. Small D. Sugar
4. A. Mother B. Thirteen C. Father D. Then
II. Circle the word or phase (A, B, C or D) that best completes each of the following sentences. (2 marks)
1. Phuong doesn’t football and …… Mai.
A. so is B. so does C. does so D. neither does
2. These papayas aren’t ripe and ….. are the pineapples.
A. so B. too C. neither D. either
3.The dirt from vegetables can make you ……...
A. bored B. tired C. sick D. well
4. You must do your homework more ……. in the future.
A. careful B. care C. careless D. carefully
5. You should ……. early if you want to do morning exercise.
A. get up B. getting up C. to get up D. to getting up
6. Hoa is a ….. worker.
A. hardly B. hard C. more hard D. most hard
7. Last night we didn’t watch the film on TV because it was ……..
A. bore B. bored C. boring D. boredom
8 . Mai enjoys ….. sea food with her parents .
A. to eat B. eating C. eat D. to eating
III. Supply the correct forms of the verbs in brackets. (2 marks)
1. He (wash)………………………….the dishes everyday.
2. We (play)…………………………volleyball tomorrow
3. She (not watch) …………………TV last night.
4. ……… they (go) …………………….to school now?
IV. Write the sentences. Use the cue words. (3 marks)
1. I/not /read books
…………………………………………………………………………………….
2. He/be/good/soccer/player.He/play/soccer/good.
…………………………………………………………………………………….
3. Mai/prefer/meat/fish.
…………………………………………………………………………………….
4 They/prefer/listen/music/watch/TV
…………………………………………………………………………………….
5 He/do/homework/last night.
…………………………………………………………………………………….
5 Hoa/not go/school/yesterday/because/she/be/sick.
…………………………………………………………………………………….
V. Read the passage carefully then answer questions. (2 marks)
In 1960s, most people in Vietnam did not have a TV set. In the evening, the neighbors gathered around the TV. They watched until the TV programs finished. The children might play with their friends and the older people might talk together. Vietnam is different now. Many families have a TV set at home and the neighbors don’t spend much time together.
Questions:
1. Did most people have a TV set in 1960s?
………………………………………………………………………………
2.How long did they watch TV programs?
………………………………………………………………………………
3. What might the children do?
………………………………………………………………………………
4. What might the older people do?
………………………………………………………………………………
I. Nội qui tham gia "Giúp tôi giải toán"
1. Không đưa câu hỏi linh tinh lên diễn đàn, chỉ đưa các bài mà mình không giải được hoặc các câu hỏi hay lên diễn đàn;
2. Không trả lời linh tinh, không phù hợp với nội dung câu hỏi trên diễn đàn.
3. Không "Đúng" vào các câu trả lời linh tinh nhằm gian lận điểm hỏi đáp.
Các bạn vi phạm 3 điều trên sẽ bị giáo viên của Online Math trừ hết điểm hỏi đáp, có thể bị khóa tài khoản hoặc bị cấm vĩnh viễn không đăng nhập vào trang web
I. Nội qui tham gia "Giúp tôi giải toán"
1. Không đưa câu hỏi linh tinh lên diễn đàn, chỉ đưa các bài mà mình không giải được hoặc các câu hỏi hay lên diễn đàn;
2. Không trả lời linh tinh, không phù hợp với nội dung câu hỏi trên diễn đàn.
3. Không "Đúng" vào các câu trả lời linh tinh nhằm gian lận điểm hỏi đáp.
Các bạn vi phạm 3 điều trên sẽ bị giáo viên của Online Math trừ hết điểm hỏi đáp, có thể bị khóa tài khoản hoặc bị cấm vĩnh viễn không đăng nhập vào trang web.