Cho tia Oz nằm giữa hai tia Ox, Oy. Tia Ot nằm giữa hai tia Oz, Oy. Chọn kết luận đúng Chọn đáp án: A. Tia Ot nằm giữa hai tia Ox và Oz B. Cả A, B, C đều sai C. Tia Oz nằm giữa hai tia Ox, Ot D. Tia Ox nằm giữa hai tia Oz, Ot

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Concession clasue ( although/even though/though/despite/inspite of) 1. Despite the pride they feel in their individuality, the British are not very individual in their tastes. Though_______________________________________________________________________ 2. In spite of not minding going to school, George would like more holidays. Even though ____________________________________________________________________ 3. The work was hard and the wages low. Even so he decided to take the job. Although____________________________________________________________________ 4. Although they are losing their reputation, they are gaining all the foreign markets. In spite of ___________________________________________________________________

Cho tam giác abc có 3 góc nhọn nội tiếp đường tròn tâm o . Đường thẳng vuông góc BC, cắt (O) tại M, cắt AC tại D . N là điểm đối xứng của M qua BC . AB cắt CN tại F.CM a.M,O,C thẳng hàng b.DA.DC=DM.DB c.ADEN cùng thuộc 1 đường tròn d.AB=AC. CM BNC=2BDC

Bài 1: Phân tích các đa thức sau thành nhân tử (Dùng phương pháp đặt nhân tử chung) (3 điểm) a) 5x(x – 2) – 3x2(x – 2) = x(x – 2)(5 – 3x) b) 3x(x – 5y) – 2y(5y – x) = .... c) y2(x2 + y) – zx2 – zy = ..........

(√a +1/√a-1 -√a-1/√a +1 +4√a )(√a -1/√a. )

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits blank (17-21). In the United States and Canada, it is very important to (4) ______a person directly in the eyes when you are having a conversation with him or her. If you lookdown or to the side when the (5) ______ person is talking, that person will think that you are not interested in what he or she is saying. This, of course, is not polite. If you look down or to the side when you are talking, it might (6) ______ that you are not honest. However, people who are speakingwill sometimes look away for (7) ______ seconds when they are thinking or trying to find the right word. But they always turn immediately back to look the listener directly in the eyes. These social "rules" are (8) ______for two men, two women, a man and a woman, or an adult and a child. 4. A: get B: talk C: notice D: look 5.A: one B: other C: others D: another 6.A: turn B: seem C: come D: become 7.A: few B: a little C: a few D: little 8.A: like B: such as C: the same D: likely

2. Put one of the verbs in the box in the right form in each sentence. do give take have buy Be spend getup teach Go eat Example: We were hungry, so we bought something to eat in the shop. a) Nam’s father_________ him how to ride a bike when he was 7. b) I___________ only one glass of milk for breakfast this morning. c) Ba usually has some rice for lunch, but today he___________ noodles (Pho). d) – Where did you go last Sunday? – 1__________ to my cousin’s birthday party. e) Someone came and ____________ me this parcel. f) She ____________ her homework, and then she went to the market. g) Tom __________ hours trying to repair his Computer set. h) Yesterday Mrs. Hong ___________ her children to Lenin Park. i) Tom usually gets up early. This morning he ____________ at 8.30. j) My brother__________ very interested in playing soccer when he lived in the countryside

Làm hộ cho mình câu 3 phần đọc hiểu Văn lớp 9 Mình cảm ơn ạ

Câu 2: a. Nêu tính chất ảnh của vật tạo bởi gương phẳng? b. Vẽ ảnh của 1 vật AB bất kì qua gương phẳng? c. biết vật AB cao 5 cm, đặt cách gương 10cm. Ảnh của vật cao bao nhiêu cm và cách gương bao nhiêu cm? d. Ta có thể dùng một gương phẳng hướng ánh nắng chiếu qua cửa sổ làm sáng trong phòng. Gương có phải là nguồn sáng không? Tại sao?