EXERCISE 1: /t/, /d/, /ɪd/
1.painted / /
2.marked / /
3.used / /
4.dressed / /
5.stayed / /
6.smiled / /
7.designed / /
8.phoned / /
9.watched / /
10.decided / /
11.dreamed / /
12.competed / /
13.jumped / /
14. worked / /
15. fixed / /
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III Choose the word whose underlined part is pronounced differently from the others
1. A. arrived B. stayed C. received D. hoped
2. A. opened B. knocked C. played D. called
3. A. rubbed B. earned C. stopped D. filled
4. A.prefered B. travelled C. passed D. stirred
5. A. tipped B. begged C. quarreled D. carried
6. A. tried B. obeyed C. cleaned D. asked
7. A. packed B. added C. worked D. pronounced
8. A. watched B. phoned C. referred D. followed
9. A. agreed B. needed C. smiled D. loved
10. A. laughed B. washed C. helped D. weighed
1. A. wanted B. washed C. worked D. stopped
2. A. cycled B. stayed C. decided D. played
3. A. who B. when C. where D. what
4. A. watched B. danced C. walked D. bored
5. A. needed B. decided C. played D. wanted
6. A. provided B. started C. worked D. decided
7. A. closed B. played C. stopped D. stayed
8. A. whole B. why C. what D. when
9. A. called B. waited C. played D. loved
10. A. looked B. lived C. laughed D. watched
11. A. started B. decided C. worked D. waited
12. A. played B. stopped C. watched D. liked
13. A. whom B. when C. where D. what
14. A. watched B. missed C. walked D. played
15. A. collected B. decided C. played D. wanted
16. A. naked B. watched C. worked D. stopped
17. A. lived B. played C. stayed D. dogged
18. A. looked B. worked C. naked D. liked
19. A. wanted B. waited C. played D. beloved
20. A. missed B. stopped C. wanted D. watched
11. A. recommended B. waited C. handed D. designed
12. A. annoyed B. phoned C. watched D. remembered
13. A. hurried B. decided C. planned D. wondered
14. A. posted B. added C. managed D. arrested
15. A. dreamed B. neglected C. denied D. admired
16. A. admitted B. advanced C. appointed D. competed
17. A. announced B. apologized C. answered D. argued
18. A. complained B. applied C. compared D. polished
19. A. booked B. watched C. jogged D. developed
Exercise 1: Choose the word that is pronounced differently.
11. A. recommended B. waited C. handed D. designed
12. A. annoyed B. phoned C. watched D. remembered
13. A. hurried B. decided C. planned D. wondered
14. A. posted B. added C. managed D. arrested
15. A. dreamed B. neglected C. denied D. admired
16. A. admitted B. advanced C. appointed D. competed
17. A. announced B. apologized C. answered D. argued
18. A. complained B. applied C. compared D. polished
19. A. booked B. watched C. jogged D. developed
1: =72/90+65/90=137/90
2: =24/56-77/56=-53/56
3: =-7/10+4/5=1/10
4: =15/100-4/100=11/100
5: =4/6-5/6=-1/6
6: =10/40-15/40-76/40=-81/40
7: =-9/10+7/18
=-81/90+35/90=-46/90=-23/45
8: =27/90-55/90=-28/90=-14/45
9: =36/60-50/60-35/60=-49/60
10: =-4/9+5/6-3/8
=-32/72+60/72-27/72
=1/72
Bài 1: Tính
\(\text{1)}\) \(\dfrac{5}{8}.\dfrac{7}{30}-\dfrac{5}{2}.\dfrac{1}{8}\)
\(=\dfrac{5}{8}.\dfrac{7}{30}-\dfrac{5}{8}.\dfrac{1}{2}\)
\(=\dfrac{5}{8}.\left(\dfrac{7}{30}-\dfrac{1}{2}\right)\)
\(=\dfrac{5}{8}.\dfrac{-4}{15}\)
\(=\dfrac{-1}{6}\)
\(\text{2)}\) \(\dfrac{21}{10}.\dfrac{3}{4}-\dfrac{21}{10}-\dfrac{3}{4}\)
\(=\dfrac{63}{40}-\dfrac{21}{10}-\dfrac{3}{4}\)
\(=\dfrac{-21}{40}-\dfrac{3}{4}\)
\(=\dfrac{-51}{40}\)
\(\text{3)}\) \(\dfrac{-4}{11}:\dfrac{-6}{11}\)
\(=\dfrac{-4}{11}.\dfrac{11}{-6}\)
\(=\dfrac{4}{6}\)
\(\text{4)}\) \(\dfrac{2}{7}.\dfrac{14}{3}-1\)
\(=\dfrac{4}{3}-1\)
\(=\dfrac{1}{3}\)
\(\text{5)}\) \(\dfrac{4}{7}:\left(\dfrac{1}{5}.\dfrac{4}{7}\right)\)
\(=\dfrac{4}{7}:\dfrac{1}{5}:\dfrac{4}{7}\)
\(=1:\dfrac{1}{5}\)
\(=5\)
\(\text{6)}\) \(\dfrac{12}{7}.\dfrac{7}{4}+\dfrac{35}{11}:\dfrac{245}{121}\)
\(=3+\dfrac{35}{11}.\dfrac{121}{245}\)
\(=3+\dfrac{11}{7}\)
\(=3\dfrac{11}{7}=\dfrac{32}{7}\)
\(\text{7)}\) \(\left(\dfrac{4}{3}+\dfrac{8}{3}\right).\left(\dfrac{7}{4}-\dfrac{6}{4}\right):\left(\dfrac{6}{5}+\dfrac{12}{5}+\dfrac{1}{5}\right)\)
\(=4.\left(\dfrac{7}{4}-\dfrac{6}{4}\right):\left(\dfrac{6}{5}+\dfrac{12}{5}+\dfrac{1}{5}\right)\)
\(=4.\dfrac{1}{4}:\left(\dfrac{6}{5}+\dfrac{12}{5}+\dfrac{1}{5}\right)\)
\(=4.\dfrac{1}{4}:\dfrac{19}{5}\)
\(=1:\dfrac{19}{5}\)
\(=\dfrac{5}{19}\)
\(\text{8)}\) \(\left(\dfrac{1}{4}-\dfrac{1}{4}+\dfrac{\dfrac{1}{9}}{\dfrac{1}{9}}\right):\left(\dfrac{2}{3}+\dfrac{\dfrac{7}{15}}{\dfrac{2}{5}}-\dfrac{1}{6}\right)\)
\(=\left(0+1\right):\left(\dfrac{2}{3}+\dfrac{7}{15}:\dfrac{2}{5}-\dfrac{1}{6}\right)\)
\(=1:\left(\dfrac{2}{3}+\dfrac{7}{6}-\dfrac{1}{6}\right)\)
\(=1:\left(\dfrac{2}{3}+1\right)\)
\(=1:\dfrac{5}{3}\)
\(=\dfrac{3}{5}\)
\(\text{9)}\)
\(\left[\left(\dfrac{2}{193}-\dfrac{3}{389}\right).\dfrac{193}{17}+\dfrac{33}{34}\right]:\left[\left(\dfrac{7}{1931}-\dfrac{11}{3862}\right).\dfrac{1931}{25}+\dfrac{9}{2}\right]\)
\(=\left[\dfrac{199}{75077}.\dfrac{193}{17}+\dfrac{33}{34}\right]:\left[\left(\dfrac{7}{1931}-\dfrac{11}{3862}\right).\dfrac{1931}{25}+\dfrac{9}{2}\right]\)
\(=\left[\dfrac{199}{6613}+\dfrac{33}{34}\right]:\left[\left(\dfrac{7}{1931}-\dfrac{11}{3862}\right).\dfrac{1931}{25}+\dfrac{9}{2}\right]\)
\(=\dfrac{13235}{13226}:\left[\left(\dfrac{7}{1931}-\dfrac{11}{3862}\right).\dfrac{1931}{25}+\dfrac{9}{2}\right]\)
\(=\dfrac{13235}{13226}:\left[\dfrac{3}{3862}.\dfrac{1931}{25}+\dfrac{9}{2}\right]\)
\(=\dfrac{13235}{13226}:\left[\dfrac{3}{50}+\dfrac{9}{2}\right]\)
\(=\dfrac{13235}{13226}:\dfrac{114}{25}\)
\(=\dfrac{330875}{1507764}\)
1 id
2 t
3 d
4 t
5 d
6 d
7 d
8 d
9 t
10 id
11 d
12 ì
13 t
14 t
15 t
1.painted / id /
2.marked / t /
3.used / d /
4.dressed / t /
5.stayed / d /
6.smiled / d /
7.designed / d /
8.phoned / d /
9.watched / t /
10.decided / id /
11.dreamed / d /
12.competed / id /
13.jumped / t /
14. worked / t /
15. fixed / d /