Ex3 ạ
Ex3: Matching
Ex3 : Change into passive voice
1. Our exercises are corrected at home by the teacher.
2. Ali’s mother was worried by his absence.
3. Several new schools are being built in our town.
4. Great progress has been made in industry, science and medicine.
5. A lion was killed by Sam last week.
6. Your report must be handed in before the end of this month.
7. The job had just been finished when the factory closed.
8. That box hasn’t been opened for the past hundred years.
9. Are these letters going to be mailed soon?
10. Researches on SIDA began to be carried out by scientists two years ago.
11. He is said to be the richest man in our town.
12. Nothing has been moved since you were sent away to be cured.
Ex3: đặt câu hỏi vs từ gạch chân
1.what your phone number ?
2.how far from your house to the movie theater ?
3.when will you go camping ?
Họ nguyên hàm của hàm số f x = e x 3 + e - x là
A. F x = - 3 e x - x + C
B. F x = 3 e x + e x ln e x + C
C. F x = 3 e x - 1 e x + C
D. F x = 3 e x + x + C
Chọn D
F x = ∫ e x 3 + e - x d x = ∫ ( 3 e x + 1 ) d x = 3 e x + x + C
Hàm số F x = e x 3 là một nguyên hàm của hàm số:
A. f x = e x 3
B. f x = 3 x 2 . e x 3
C. f x = e x 3 3 x 2
D. f x = x 3 . e x 3 − 1
Giá trị lớn nhất của hàm số f ( x ) = e x 3 - 3 x + 3 trên đoạn [0;2] bằng:
A. e 2
B. e 3
C. e 5
D. e
Help meEx3:
Exercise3:
(1)B.in
(2)C.anything
(3)D.without
(4)A.larger
(5)C.electrician
(6)D.did
Đây là ý kiến của mik có j sai mong bn thông cảm
Ex3: Complete the form of the verbs in parentheses:
1. They want( buy)........... some meat
1. They want( buy)....buying....... some meat
Ex3: Complete the form of the verbs in parentheses :
1. They want (buy)...to..but... some meat
Cấu trúc : want + to
ex3 viết lại câu
I(be) tired after a long Journey.(some times)
Có bao nhiêu số nguyên dương m để hàm số y = e x 3 - m x - 3 x đồng biến trên khoảng ( 0 ; + ∞ ) .
A. 6.
B. 5.
C. 7.
D. 4.