Christmas is always held (1)........................................ December the twenty fifth every year. Every family in England decorates a Christmas tree and puts (2).................................... in the middle of the living room. And Sante Claus plays an important (3)................................... in this festival. There is a poem to relate him. In 1823, the patron saint of children, Saint Nicholas appeared in a poem (4).................................... A Visit Saint Nicholas. The character in the poem (5)....................................... a fat jolly man wore a (6)................................... suit and gave children (7).................................... on Christmas Eve. The poem, which was (8)................................. by Clement Clarke Moore, an American professor, became popular (9).................................... the USA. Santa Claus is based (10)........................................ the description of Saint Nicholas in this poem.

Để hoàn thành câu hỏi trên, bạn cần điền vào những chỗ trống với từ ngữ phù hợp sau đó viết câu trả lời hợp lý:

1. on
2. it
3. role
4. titled
5. showed
6. red
7. presents
8. written
9. in
10. on

Câu trả lời:
Christmas is always held on December the twenty-fifth every year. Every family in England decorates a Christmas tree and puts it in the middle of the living room. And Santa Claus plays an important role in this festival. There is a poem titled "A Visit Saint Nicholas" in which the character showed a fat, jolly man wore a red suit and gave children presents on Christmas Eve. The poem, which was written by Clement Clarke Moore, an American professor, became popular in the USA. Santa Claus is based on the description of Saint Nicholas in this poem.

3. Santa Claus plays an important role in this festival.

2. Every family in England decorates a Christmas tree and puts it in the middle of the living room.

1. Christmas is always held on December the twenty fifth every year.

Phương pháp giải câu hỏi Toán học Lớp 4 trên như sau:

a) Để viết 5 phân số bằng phân số \(\frac{7}{8}\), ta có thể nhân hoặc chia phân số \(\frac{7}{8}\) cho một số nguyên bất kỳ.

Ví dụ:
\(\frac{7}{8} \times \frac{2}{2} = \frac{14}{16}\)
\(\frac{7}{8} \times \frac{3}{3} = \frac{21}{24}\)
\(\frac{7}{8} \times \frac{4}{4} = \frac{28}{32}\)
\(\frac{7}{8} \div \frac{2}{2} = \frac{7}{16}\)
\(\frac{7}{8} \div \frac{3}{3} = \frac{7}{24}\)

b) Để viết 5 phân số bằng phân số \(\frac{45}{90}\), ta cũng có thể nhân hoặc chia phân số \(\frac{45}{90}\) cho một số nguyên bất kỳ.

Ví dụ:
\(\frac{45}{90} \times \frac{2}{2} = \frac{90}{180}\)
\(\frac{45}{90} \times \frac{3}{3} = \frac{135}{270}\)
\(\frac{45}{90} \times \frac{4}{4} = \frac{180}{360}\)
\(\frac{45}{90} \div \frac{2}{2} = \frac{45}{180}\)
\(\frac{45}{90} \div \frac{3}{3} = \frac{45}{270}\)

Vậy, câu trả lời cho câu hỏi là:
a) \(\frac{14}{16}, \frac{21}{24}, \frac{28}{32}, \frac{7}{16}, \frac{7}{24}\)
b) \(\frac{90}{180}, \frac{135}{270}, \frac{180}{360}, \frac{45}{180}, \frac{45}{270}\)