a)Cố ý gây chuyện để cãi nhau, đánh nhau dù không có lí do gì đáng kể.

b)ho he.quanh quẩn,

c)nhân vật  "tôi" trong truyện là dế mèn. tính cách ngông cuồng , hống hách

d)cứ coi mình là nhất. làm vậy sẽ bị mọi người xa lánh, ghét bỏ

Giải thích các bước giải:

Số tổ thầy phụ trách chia được nhiều nhất là a tổSố tổ thầy phụ trách chia được nhiều nhất là a tổ

a ⋮ 195195, a ⋮ 117117 

⇒  a∈ƯCLN(195;117)=39

Vậy thầy giáo có thể chia được nhiều nhất 39 tổVậy thầy giáo có thể chia được nhiều nhất 39 tổ

Mỗi tổ có số nam là :Mỗi tổ có số nam là :

195:39=5195:39=5 (bạn nam)

Mỗi tổ có số bạn nữ là :Mỗi tổ có số bạn nữ là :

117:39=3117:39=3 (bạn nữ)

Thay (giả thiết), suy ra:

A=

Sử dụng điều kiện như vậy: 

Mà 

Cộng (1) và (2), ta có: 

Vậy Amin = 4 

Từ học hành là loại từ ghép

3. Can you correct the passage? Write the correct version.

My father has unusual hobby carving eggshells as everyone knows eggshells are very fragile my dad can make beautiful pieces of art from empty eggshells it’s amazing he started the hobby five years ago after a trip to the us where he saw some carved eggshells in an art gallery my father did not go to class to learn how to carve he learned everything from the internet.

……………………………………………………………………………………………………..

……………………………………………………………………………………………………..

……………………………………………………………………………………………………..

……………………………………………………………………………………………………..

……………………………………………………………………………………………………..

……………………………………………………………………………………………………..

……………………………………………………………………………………………………..

……………………………………………………………………………………………………..

……………………………………………………………………………………………………..

……………………………………………………………………………………………………..

……………………………………………………………………………………………………..

……………………………………………………………………………………………………..

hình như ban bị sai từ này đúng ko, nếu đúng thì thôi nha<3

1. Put a word from the box in each gap to complete the following passage.

likes                              cycling                    goes                         reads                       listening

have                             collecting                cooks                       enjoys                      gets

       My family has six people. We (1) __________ different hobbies. My grandfather (2) __________ reading newspapers. He (3) __________ newspapers every morning after breakfast. My grandmother doesn’t like reading them. She (4) __________ to the market near my house every morning. She buys a lot of food. She (5) __________ very well. Oh, I love all her food. My father likes (6) __________. He (7) __________ up early and cycles around the West Lake all the year round. My mother doesn’t like this sport. She (8) __________ walking. She walks about four or five kilometers every morning. My brother doesn’t like any sports. He likes (9) __________ to music and playing drums. He is a member of the Green Band. It is a well-known band in my country.

       I don’t like reading, cooking or playing sports. I love (10) __________ things, such as stamps and coins.

3. Put the verbs in brackets in the correct tense form.

1. You (think) __________ collecting stamps costs much money?

2. My father thinks mountain climbing (be) __________ more dangerous than skating.

3. Every year, my mother (give) __________ me a nice doll on my birthday.

4. My brother (not like) __________ collecting stamps, he likes collecting glass bottles.

5. My sister likes (cook) __________ very much. She can cook many good foods.

6. Does your brother like (listen) __________ to music in his free time?

7. I think in the future, more people (enjoy) __________ going out by bicycles.

8. My father says when he's retired, he (go) __________ back to his village to do the gardening.

9. We are planting trees around our school now. Our school (be) __________ surrounded by a lot of green trees.

10. Lan says she loves collecting pens but she (not/continue) __________ this hobby from next year.

1. Find the odd one out A, B, C or D.

1.    A. cycling                      B. cooking                   C. evening                   D. gardening

2.    A. play                           B. swim                       C. collect                     D. photo

3.    A. horse-riding              B. challenging             C. bird-watching        D. mountain-climbing

4.    A. usual                          B. write                        C. walk                        D. eat

5.    A. pottery                      B. enjoy                       C. flower                     D. wood