Bài 1: Thực hiện các phép tính sau
a.\(\frac{11x+10}{3x-3}+\frac{15x+13}{4-4x}\)
b.\(\frac{5x+3}{x^2-3x}+\frac{9-x}{9-3x}\)
c.\(\frac{4xy-1}{5x^2y}-\frac{2xy-1}{5x^2y}\)
d.\(\frac{x+8}{x^2-16}-\frac{2}{x^2+4x}\)
e.\(\frac{x^2-49}{2x+1}.\frac{3}{7-x}\)
f.\(\frac{3x^2-2x}{x^2-1}.\frac{1-x^4}{\left(2-3x\right)^3}\)
g.\(\frac{5xy}{2x-3}:\frac{15xy^3}{12-8x}\)
h.\(\frac{x^2+2x}{3x^2-6x+3}:\frac{2x+4}{5x-5}\)
I. Choose the best answer to complete each of the following sentences.
1. Carlos is going to be famous one day. He _____________in three movies already.
A. appears B. is appearing C. appeared D. has appeared
2. My mum doesn't mind _____________ me from school every day.
A. pick up B. picking up C. picks up D. to pick up
3. There is no more cheese. I _____________ it all, I'm afraid.
A. eat B. am eating C. has eaten D. have eaten
4. It'll soon get warm in here. I _____________ the heating on
A. have turned B. has turned C. have turning D. has turning
5. Using computers too much may have harmful effects _____________ your minds and bodies.
A. at B. on C. in D. with
6. Her French was excellent, without a trace of a/an _____________.
A. sound B. voice C. accent D. tone
7. Sandra has become a style _____________ for the fashion world particularly,
A. icon B. image C. item D. category
8. She _____________ in Hanoi for 2 years.
A. lives B. is living C. have lived D. has lived
9. How _____________ your sister _____________ to school every day?
A. is - going B. has - gone C. do – go D. does – go
10. At present they _____________ to New York.
A. traveling B. are travelling C. travelled D. to travel
11. My father _____________ some flowers in the garden at present.
A. waters B. has watered C. is watering D. water
12. I’ll come home _____________ 8.30 and 9.20.
A. between B. from C. with D. at
13. Vietnamese people are always proud _____________ their traditions and customs.
A. on B. in C. of D. at
14. Many visitors _____________ to Ho Chi Minh's Mausoleum every day.
A. come B. comes C. is coming D. has come
15. I'm trying to fit everything into my busy _____________.
A. missions B. schedule C. program D. tasks
16. I _____________ Paul today, but I saw him last Sunday.
A. will not see B. will not be seeing C. have not seen D. has not seen
17. We have never _____________ another country before.
A. visit B. visited C. visiting D. visitor
18. At present, he _____________ a piece of music.
A. is composing B. has composed C. will compose D. composed
19. I have never _____________ such a good novel before
A. to read B. reads C. reading D. read
20. Nowadays, viewers can watch a variety of local and international programs _____________ TV.
A. on B. in C. at D. of
21. We _____________ a party tomorrow.
A. have B. are having C. have had D. were having
22. Danish _____________ to Japan next month.
A. go B. goes C. are going D. is going
23. The train _____________ at 7.30 tomorrow morning.
A. leave B. leaving C. leaves D. leave
24. I have got tour details here. We _____________ 4 days in Beijing.
A. to spend B. spends C. spending D. spend
25. The capital city of Canada is _____________.
A. Ottawa B. Montreal C. Vancouver D. Hamilton
26. The match takes place _____________ Saturday afternoon this week.
A. at B. on C. in D. of
27. He's living in Hanoi. He _____________ there since 2010.
A. lives B. is living C. has lived D. lived
28. They have been an English teacher _____________ many years.
A. for B. since C. in D. on
29. It rain a lot _____________ July.
A. at B. of C. in D. on
30. The official language in Australia is _____________.
A. Italian B. Greek C. Chinese D. English
I. Choose the words whose underlined part is pronounced differently from that of the others in each group.
1. A. measure B. leather C. mean D. feather
2. A. treatment B. earplug C. hearing D. fear
3. A. poison B. visual C. measure D. pleasure
4. A. thermal B. litter C. permanent D. service
5. A. affect B. cholera C. pollutant D. radiation
6. A. artistic B. academic C. catholic D. dramatic
7. A. energetic B. majestic C. emphatic D. pathetic
8. A. critical B. logical C. medical D. biological
9. A. chemical B. brochure C. mechanical D. orchid
10. A. initial B. tactical C. topical D. critical
11. A. heroic B. government C. poetic D. radio
12. A. atmosphere B. national C. aquatic D. apartment
13. A. resident B. medical C. illustrate D. electric
14. A. symbolize B. continent C. introduce D. Japanese
15. A. paradise B. iconic C. official D. scientist
16. A. sharpen B. battery C. landline D. transmit
17. A. pollution B. earplug C. dump D. dust
18. A. untreated B. measure C. pleasure D. bread
19. A. physical B. visual C. music D. because
20. A. thermal B. thankful C. there D. thorough
21. A. plates B. cakes C. mates D. places
22. A. changed B. learned C. laughed D. arrived
23. A. emergency B. resident C. deposit D. prefer
24. A. wanted B. decided C. visited D. looked
25. A. prison B. limestone C. kind D. tribe
26. A. which B. who C. when D. where
27. A. carry B. hard C. card D. yard
28. A. twice B. flight C. piece D. mind
29. A. about B. around C. sound D. young
30. A. cover B. oven C. coffee D. company