chào em anh đứng đây từ chiều
Cho tam giác ABC vuông tại B. Trên cạnh BC lấy điểm E( E khác B và C) . Đường tròn đường kính EC cắt cạnh AC tại M và cắt đường thẳng AE tại N( M khác C, N, khác E).
a) chứng minh ABEM và ABNC là tứ giác nội tiếp
b) chứng minh ME là tia phân giác của góc BMN
C) chứng minh AE.AN + CE.CB= AC2
Cho mk hỏi phần b,c với ạ mk cảm ơn !
speaking topics for grade 7- the 1st semester- school year 2017-2018
TOPIC 1: Talk about your hobby? * You should say about : - the name of your hobby - When you started your hobby. - Your hobby is easy or difficult. Why? - Your hobby is useful or not. Why? Why not? - You intend to continue your hobby in the future or not. |
TOPIC 2: Talk about how to make popular food or drink. * You should say about: - Name of the food or drink. - Ingredients. - How to make it (using first, next, then, after that, finally) |
TOPIC 3: How to have good health. * You should say about: - What we should do to have good health. - What we shouldn’t do. - What we should eat to have good health. - What we shouldn’t eat. |
TOPIC 4: What do volunteers in Viet Nam often do to help community? * You should say about: - What volunteer activities they do. - What benefits they get from volunteer activities. |
TOPIC 5: Tell something about volunteer work you have ever done. * You should say about: - What volunteer work you have ever done. - When it happened. - What benefits your volunteer work brought to the community. |
TOPIC 6: Tell something about your favorite song. * You should say about: - Name of the song. - What it is about. - Why you like it. |
TOPIC 7: Tell something about your favorite singer/ band/ artist. * You should say about: - - Name of the singer/ band/ artist. - What is special about him/her. - Why you like him/her. |
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1. The speaking test has three parts (5- 7 minutes): Bài thi nói gồm 3 phần
Part 1:Introduction and interview |
Examiner checks your name. |
1 -2 minutes |
Part 2: |
Examiner gives you a written task card. You have 1 minute to think (take notes) before you have to speak |
3 minutes (including |
Part 3:Two-way |
Examiner asks one or two questions linked to the topic of your talk in Part 2. |
1- 2 minutes |
2. Model test: Bài thi mẫu
Part 1: |
Examiner checks your name. |
- Good morning, teacher. I’m Ba. Today I’m taking part in the oral test. I’m very happy to talk to you |
1 point |
Part 2: |
Examiner gives you a written task card. You have 1 minute to think (take notes) before you have to speak |
Talk about your school. |
7 points |
Part 3:Two-way |
Examiner asks one or two questions linked to the topic of your talk in Part 2. |
1. Do you love your school? Why? 2. What are the teachers like? |
2 points |