Chủ đề:
Bài 6: Đơn chất và hợp chất - Phân tửCâu hỏi:
Tính khối lượng bằng gam của: a) 9CaCO3 b) 4P2O5 c) 6CO2 d) 6Na2SO4
Đặt trạng từ vào đúng chỗ trong câu:
1.I clean my teeth after dinner. (usually)
2.Nam is late for school. (never)
3.She helps her parents in the house. (always)
4.They play basketball after school. (often)
5.We go to the zoo on SundThe eay. (sometimes)
6.My mother tired on Friday everning. (usually)
7.This book is interesting. (extremely)
8.He is on time. (seldom)
9.He has a bad pain in his chest. (today,very)
10.The elevator operates. (automatically)
11.He arrives (on time, never, at the meeting)
12.I saw Dan (at the lecture, last night)
13.I will be there (certainly, by 2 o'clock)
14.She will return the book (next week, to, the library)
15.She went (at 6 o'clock, to school)
Rewrite the sentence:
1.The train was slow. (slowly) =>The train travelled slowly.
2.The food had a good smell. (smelled) =>
3.Jenny gave an angry shout. (shouted) =>
4.The film's ending is dramatic. (ends) =>
5.The receptionist was very polite. (spoke) =>
6.The children wore expensive dollies. (dressed) =>
7.Everyone discussed the idea with enthusiasm. (enthusiastically) =>
8.Her toothache was terrible. (ached) =>