câu hỏi là ý nào ko phải  ý nghĩa lịch sử của thắng lợi ba lần kháng chiến chống Mông - Nguyên?  

nên đáp án là câu A nha

đáp án đúng là B

Complete the second sentence so that it has the same meaning as the first one.

1. Why don’t we go to the beach?

à  What about .......................................................................................................................... ?

2. Tim’s father has more vacations than Hoa’s father.

àHoa’s father has fewer .........................................................................................................

3. He  likes to  drink tea after meals.

à He enjoys .............................................................................................................................

4. Let’s talk about  this film .

 àWhy don’t you ..................................................................................................................... ?

5. What does your mother do ?

 What is ...................................................................................................................... ?

6. This new refrigerator is bigger than the old one .

àThe old refrigerator ..............................................................................................................

7. When is your birthday? What’s .................................................................................................................................. ?

8. Which subject do you like best?

à What is your ......................................................................................................................... ?

9.Where does he live ?

àWhat’s .................................................................................................................................... ?

10. I have fewer stamps than my younger sister

 à My younger sister has

Biểu diễn được tia tới, tia phản xạ, góc tới, góc phản xạ, pháp tuyến trong sự phản xạ ánh sáng bởi gương phẳng.