Bài 5: So sánh các số hữu tỉ sau:

a) -0,5 và \(\dfrac{-51}{100}\);                                       b) 1\(\dfrac{7}{9}\) và \(\dfrac{9}{5}\);

c) \(\dfrac{-295}{118}\) và \(\dfrac{-280}{133}\);                                 d) -\(\dfrac{15}{37}\) và \(\dfrac{10}{-29}\).

Bài 5: So sánh các số hữu tỉ sau:

a) -0,5 và \(\dfrac{-51}{100}\);                                                    b) 1\(\dfrac{7}{9}\) và \(\dfrac{9}{5}\);

c) \(\dfrac{-295}{118}\) và \(\dfrac{-280}{133}\);                                              d) -\(\dfrac{15}{37}\) và \(\dfrac{10}{-29}\)

Bài 4: Cho các phân số \(\dfrac{-21}{27}\);\(\dfrac{-14}{19}\);\(\dfrac{-42}{-54}\);\(\dfrac{35}{-45}\);\(\dfrac{-5}{7}\);\(\dfrac{-28}{36}\). Những phân số nào biểu diễn số hữu tỉ \(\dfrac{-7}{9}\)?

Bài 3: Điền các kí hiệu thích hợp N;Z;Q vào ô trống (điền tất cả các khả năng có thể):

-3∈□;               10∈□;               \(\dfrac{-3}{7}\)∈□;               N⊂□;

Bài 2: Điền kí hiệu thích hợp (∈,∉,⊂) vào ô trống:

-5□N;                  \(\dfrac{-4}{3}\)□Q;                  -2□Z;                   \(\dfrac{-2}{5}\)□Z;

-\(\dfrac{1}{3}\)□Z;                 -\(\dfrac{4}{7}\)□Q;                 -\(\dfrac{2}{9}\)□N;                        N□Q.

Bài 1: Sắp xếp các số hữu tỉ sau theo thứ tự tăng dần:

 \(\dfrac{-3}{5}\);\(\dfrac{-5}{9}\);0,5;-1\(\dfrac{2}{3}\);\(\dfrac{10}{9}\).

Choose the word whose underlined part is pronounced differently from the others.

1. A. loved     B. teased     C. washed     D. rained

2. A. packed     B. punched     C. pleased     D. pushed

3. A. filled     B. naked     C. suited     D. wicked

4. A. caused     B. increased     C. practised     D. promised

5. A. washed     B. parted     C. passed     D. barked

6. A. killed     B. cured     C. crashed     D. waived

7. A. imagined     B. released     C. rained     D. followed

8. A. called     B. passed     C. talked     D. washed

9. A. landed     B. needed     C. opened     D. wanted

10. A. cleaned     B. attended     C. visited     D. started

Choose the word whose underlined part is pronounced differently from the others.

1. A. tried     B. obeyed     C. cleaned     D. asked

2. A. packed     B. added     C. worked     D. pronounced

3. A. watched     B. phoned     C. referred     D. followed

4. A. agreed     B. succeeded     C. smiled     D. loved

5. A. laughed     B. washed     C. helped     D. weighed

6. A. walked     B. ended     C. started     D. wanted

7. A. killed     B. hurried     C. regretted     D. planned

8. A. visited     B. showed     C. wondered     D. studied

9. A. sacrificed     B. finished     C. fixed     D. seized

10. A. needed     B. booked     C. stopped     D. washed

Rewrite the following sentences without changing their original meanings.

1. John cannot bear listening to such kind of noisy music.

John dislikes_______________________________________________

2. Watching historical films is very interesting to my younger brother.

My younger brother enjoys____________________________________

3. She cannot bear talking with him about what he likes.

She hates_________________________________________________

4. The thing that I hate most is motor racing, and I will never do it in my life.

I detest____________________________________________________

5. It is really interesting for him to talk with his music teacher about jazz.

He fancies_________________________________________________

6. He uses all his free time to look after his garden.

He spends_________________________________________________

7. We spent an hour yesterday afternoon  finalizing the presentation.

It took_____________________________________________________

8. They only spent five minutes to debug the code this morning.

It took_____________________________________________________

9. It took me an hour to practise the lines for the play.

I_________________________________________________________

10. The mechanic spent most of the day fixing the engine.

It took_____________________________________________________

11. The athletes spent months training rigorously for the competition.

It took_____________________________________________________

Write the second sentence so that it has the same meaning to the first one.

4. You can learn things better if you do exercise. (help)

→ Exercise________________________________________________