đề 28_bài I,II
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
1. learning
2. are
3. of
4. you
5. how
6. book
7. fly
8. yourself
9. playing
10. practice
1. I haven't seen her since 2005
2. A book on biology is being written by him
3. It is very interesting to go swimming in the summer
4. His mother punished him
5. Mr Ha asked Minh not to play video games too much
6. Mary is taller than Tom
7. What's the weather like?
8. My father asked me to turn down the radio for him
9. They cut down many trees
10. After cleaned the house, she had gone to the market
1. How long does it take you to get to school?
2. He isn't interested in buying a new house.
3. I was playing badminton with Nam when my friends come
4. I bored with doing a same thing the day after day
5. MC was born in Pauland in 1867
6. We ought to use cloth bags instead of reuse plastic bags
7. We are having a wonderful time at the moment in Sapa
8. Could you give me some information?
Đáp án C
Mệnh đề (I) đúng.
Mệnh đề (II) sai vì log 3 x 2 = 2 log 3 x khi x > 0 nên điều kiện ∀ x ∈ ℝ \ 0 là chưa đủ.
Mệnh đề (III) sai vì log a b . c = log a b + log a c
Số mệnh đề đúng là 1.
Đáp án C
Mệnh đề (I) đúng.
Mệnh đề (II) sai vì log3 x2 = 2log3 x > 0 khi x > 0 nên điều kiện ∀ x ∈ ℝ \ 0 chưa đủ.
Mệnh đề (III) sai vì loga (b.c) = loga b + loga c.
Số mệnh đề đúng là 1.
I
1C
2A
3B
4C
5A
6C
7C
8A
II
1B
2B
3D
4B
5B
6D
7C
8A
1C
2A
3B
4C
5A
6C
7C
8A
Chúc bạn học tốt