nêu tên và diện tích đảo nước ta
VIII. Rewrite each sentence, beginning as shown.
1. I didn’t have an umbrella with me so I got wet.
I wouldn’t ______________________________
2. I’ll call the police if you don’t leave me alone.
Unless ______________________________
3. In the snowy weather we don’t go to school.
If ______________________________
4. Without Jack’s help, I wouldn’t have been able to move this table.
If ______________________________
5. You drink too much coffee, that’s why you can’t sleep.
If you ______________________________
VII. Put the verbs in brackets: Conditional sentence type I or type II.
1. If Tracy had a mobile phone, she (phone) ............................ all her friends.
2. I will be very angry with Nick if he (forget) ............................ my CD again.
3. If the boys win this match, their coach (invite) ............................ them to a barbecue.
4. If you (not/ read) ............................ these articles, you will not know the facts about Africa.
5. You (get) ............................ very wet if you walked in this rain.
6. The engine (not/ start) ............................ if Ben connected these two cables.
7. If he (have) ............................ time, he will buy her some sweets.
8. Maria would play in the school orchestra if she (practice) ............................ the trumpet more often.
9. We (not/ fetch) ............................ something to drink if Jim does not bring some sandwiches.
10. If he (carry) ............................ the rucksack, I would pull the suitcase.
Bài 2: Hoàn thành các PTPU sau và cho biết phản ứng nào là phản ứng phân hủy, phản ứng nào là phản ứng hóa hợp?
a. K + O2 -- > K2O
b. KMnO4 -- > K2MnO4 + MnO2 + O2
c. H2 + Fe3O4 -- > Fe + H2O
d. CH4 + O2 -- > CO2 + H2O
e. Al + O2 -- > Al2O3
f. NO + O2 -- > NO2
g. Al + H2SO4 -- > Al2 (SO4)3 +H2
h. P2O5 + H2O -- > H3PO4
i. CaO + H2O -- > Ca(OH)2
KClO3 -- > KCl + O2