câu a/

xét tam giác ABH và CAK có:

góc AHB=góc AEC=90;

AB=AC;

góc ABH=góc CAE﴾cùng phụ với góc BAE﴿

=> tam giác ABH=CAK﴾cạnh huyền‐ góc nhọn﴿

=>BH=AK c

âu b/ tam giác ABC vuông cân

; M là trung điểm của BC

=>AM=BM=CM

xét tam giác BMH và AMK

có góc MBH=MAK﴾cùng phụ với góc BEH﴿

; BH=AK﴾cmt﴿; BM=AM﴾cmt﴿

=>tam giác bằng nhau

Câu c/

theo câu b/

=> MH=MK﴾2 cạnh tương ứng﴿﴾1﴿

Xét tam giác AHM và CEM có

AH=CE﴾tam giác ABH=CEK﴿;

MH=MK﴾cmt﴿;

AM=MC﴾cmt﴿

=> tam giác bằng nhau

=>góc AMH= góc CMK mà góc AMH+góc EMH=90

=>góc HME+gócCMK=90 =>góc HMK=90﴾2﴿

từ ﴾1﴿﴾2﴿

=> tam giác MHK vuông cân

What a lovely cat!

=>How lovely the cat is!

Shall I make you a cup of coffee?

=>Do you want me to make you a cup of coffee?

Where were you born ?

=>What was your place of birth?

Hoang will be eighteen next month.

=>It will be Hoang's eighteenth birthday next month.

=> Lan has long hair.

2. Nam rides his bike to school everyday.

=> Nam goes to school by bike everyday.

3. Nobody in our class is more intelligent than Nga.

=> Nga is the most intelligent in our class.

4. Let’s go swimming.

=> Shall we go swimming?

5. When is your brithday?

=> What is your date of birth?

6. How tall is this building?

=> What is the height of this building?

7. Miss Lan is a good English teacher.

=> Miss Lan teaches English well.

8. It took Mr. Hoang half an hour to walk to work to yesterday.

=> Mr. Hoang spent half an hour walking to work yesterday.

9. What is the price of this cap?

=> How much is this cap ?

10. Listening to music is more interesting than watching TV.

=> I prefer listening to music from watching TV.

Viết lại câu giữ nguyên nghĩa

1. His house is near his school.

→His house isn 't far from his school.

2. That motorbike belongs to Mr Trung.

→That is Mr Trung's motorbike.

3. Lan is more intelligent than her sister.

→Lan 's sister isn 't as stupid as her.

4. What's the 'height of the Mount Everest ?

→How high is the Mount Everest.

5. We have a two - month summer vacation

→Our summer vacation lasts for two months.

6. Vietnamese students have fewer vacations than American ones

→American students have less vacations than Vietnamese ones.

7. I takes me about two hours each day to do my homework

→I spend two hours doing my homework.

Rewrite the following sentences:

1.Knowing English is very useful - It very useful to know English

2.Nam is taller than Hung - Hung is shorter than Nam. (khác: Hung is not as tall as Nam.)

3.To do morning exercises is good - It is good to do morning exercises.

4.This book is very boring and so is that one - This book is as boring as that one.

5. It is not as warm in Canada as it is in Mexico - Mexico is warmer than Canada.

6. The sun is much hotter than the moon - The moon isn't as hot as the sun.

7. You can't understand these things because you are very young - You are not old enough to understand these things.

8. This shirt is too dirty for me to wear - This shirt is not clean for me to wear it.

Cookie khác
- Meat, banana, orange là chỉ các loại hoa quả
- Cookie chỉ đồ ngọt

Would you like to visit Ha Long Bay?

a. No, I won't

b. No, i don't

c. Yes, I am

D. Certainly

- B. Think