Công thức nào sau đây là công thức tính áp suất gây ra khi có một áp lực ép lên một bề mặt?
A. P= 10.m
B. P=d.V
C p=d.h
D. Là một công thức khác không có trong câu này

VI. Rewrite' each sentence, beginning as shown, so that the meaning
stays the same.
1. The suitcase isn't light enough for the boy to lift up.
The suitcase is too .
2. We began to study English 5 years ago.
We have.
.... ..........
3. English is easier than French.
French isn't as
4. A dog is bigger than a cat.
A cat isn't as.
..
5. The coffee is so strong that I can't drink it.
The coffee is too.
6. No one in this class is as tall as Tam.
Tam is the
7. We were too late to see the first film.
We weren't early
8. When did you begin to study French?
How long have
.. ......

12. We can't live without....
A. eating and drinking
B. to eat and drink
C. eat and drink
D. eat and to drink

The news made her...
A.sadness B.sad
C.sadly D.to sadden

I"ll do my homework........... dinner
A.After B.Before
C.for D. A and B are correct

Which sentence is correct ?
A. Is it safe to leave medicine around the hourse?
B. Is it safe leave medicine around the hourse?
C. Is it safe leaving medicine around the hourse?
D. Both A and C are correct