I. From each number, pick out the word whose underlined part is pronounced differently from the others.

1.         A. out                          B. round                      C. about                      D. would

2.         A. chair                       B. check                      C. machine                  D. child

3.         A. too                          B. soon                        C. good                       D. food

4.         A. though                    B. enough                   C. cough                     D. rough

5.         A. happy                     B. hour                        C. high                        D. hotel

1,Nhận biết các chất rắn:KOH,Ca(OH)2,KCl

2,Từ BaO,K2SO3,Nước

Viết PTHH điều chế KOH

3,Hoàn thành các Pt sau 

a,.....→MgO+H2O

b,HCl+.....→NaCl+H2O

c,HNO3+....→Al(NO3)3+H2O

d,Ba(OH)2+....→BaSO4+H2O

e,.......+CO2→CaCO3+H2O

4,Cho 44g CO2 vào dd có chứa 140g Ca(OH)2 tạo ra muối CaCO3 và nước 

a,Tính khối lượng muối thu được

b,Tính khối lượng chất dư

VIII. Viết lại các câu sau bắt đầu bằng từ cho trước sao cho nghĩa không thay đồi.

1.     Lan is taller than Hoa.                                         

→ Hoa is ………………….………………

2.     I am bigger than my sister.                      

→ My sister is ………….………………….…

3.     My mom is younger than my dad.           

→ My dad is …………………………………

4.     That tree is higher than this tree.             

→ This tree is …………………………………

5.     My shirt is older than your shirt.             

→ Your shirt is …………………………………

6.     My house is bigger than your house.       

→Your house is…………………………………

7.     My kitchen is smaller than yours.           

→ Your kitchen…………………………………

8.     He is the tallest boy in his class.             

→ No one in…………………………………….

9.     Nam is shorter than Hung.

→ Hung is ………………………………………

10. Summer is hotter than Spring.

→ Spring is ………………………

VII. Chọn từ thích hợp đã cho điền vào mỗi chỗ trống để hoàn thành đoạn văn

The moon is beautiful (0) at night. Sometimes the moon looks big and round above us. But (1)…………is often smaller and thinner, like a banana. A lot of children want to go there but they (2)…………………… It isn’t a very good (3)……………. It’s sometimes very cold (4)…………..sometimes very hot. There is no grass and there is no (5)…………………., there are no animals and no people.