Bài 1: Khoanh vào câu trả lời đúng: C1: Hiện nay tuổi mẹ gấp 10 lần tuổi con , sau 6 năm nữa tuổi mẹ gấp 4 lần tuổi con thì hiện nay tuổi con là: A. 2 tuổi B. 3 tuổi C. 4 tuổi D. 5 tuổi C2: Cho số tự nhiên lẻ có 2 chữ số là chia hết cho 5, gọi chữ số hàng chục là x. Nếu x viết xen chữ số 0 vào giữa 2 chữ số đó ta được 1 mới biểu diễn dưới dạng : A. 10x+5 B. 100x+5 C. 10x D. 100x C3: Cho tam giác ABC và tam giác DEF có A=D, B=E. Biết AC= 4cm, BC= 5cm =, DF= 3cm thì độ dài cạnh EF bằng: A. 3cm B. 3,25cm C. 3,5cm D. 3,75cm CÁC BẠN GIÚP MÌNH VỚI !!!

Một đầu máy kéo một đoàn tàu với lực 20000 N đi được quãng đường 15 km trong 10 min. a) Tính công suất đoàn tàu. b) Tính tốc độ của đoàn tàu.

Trong 2 câu thơ dưới đây , em thích câu nào ? Vì sao? Lũ đế quốc như bầy dơi hốt hoảng . Lũ đế quốc là bầy dơi hốt hoảng .

cấu tạo của sông ? giúp mk với !!!!!!!!!!!!!!!

Các a/c giúp iêm ạ! Giai phương trình ạ! 67x^2+600x-2875

Rewrite the sentences using “so" or“ neither”. 1.I like durians. He likes durians. I like __________________________________________________ 2.You should brush your teeth after meals. They should brush their teeth after meals. You should brush _________________________________________ 3.I have milk for breakfast today. My sister has milk for breakfast today. I have milk _______________________________________________ Rewrite the sentences using “too " or“ either”. 1.Name doesn’t like coffee. Ba doesn’t like coffee. Name doesn’t ______________________________________________ 2.. My father drinks beer. My uncle drinks beer. My father drinks ___________________________________________ 3. Lan doesn’t like fish. Hoa doesn’t like fish. Lan doesn’t like ____________________________________________ 4. I can play basketball. My brother can play basketball. I can play _______________________________________________ Supply the correct form of words: 1.We must remember to eat __________________ ( sense ) 2. Good health is one of the ____________ things in a person’s life. ( good ) 3.I always ride my bike ____________________ ( care ) 4. You shouldn’t eat a lot of ______________ food and sugar ( health )

Dùng dấu gạch / để tách các vế trong mỗi câu ghép dưới đây: a. Nếu Thái hậu hỏi người hầu hạ giỏi thì thần xin cử Vũ Tán Đường. b. Tuy đồng chi không muốn làm mất trật tự, nhưng tôi có quyền nhường chỗ và đổi chỗ cho đồng chí. c. Hễ con chó đi chậm, con khỉ cấu hai tai chó giật giật.

tam giac có độ dài 6cm 8cm 10cm là tam giác gì

Reoder the following words to make meaningful sentences 1. it/ travel/ is/ rush/ because/ in/ so/ on/ to/ traffic/ road/ tiring/ hours/ jams/ of/. 2. it/ hour/ to/ took/ office/ yesterday/ more/ my/ than/ mother/ an/ to/ go/ her/. 3. from/ Ho Chi Minh City/ travelling/ not/ time- consuming/ to/ by/ Hanoi/ airplane/is/. 4. The/ more/ months/ project/ team/ than/ three/ completing/ spent/ this/. 5. buy/ 50.000 VND/ it/ visitor/ often/ entrance/ ticket/ costs/ a/ only/ to/ an/. Giúp với :> đừng spam nhé :> vội lắm

V. Supply the correct form of the words in brackets. 1. Rossie has a large ______________ (collect)of dolls. 2. A______________ is someone who enjoys watching birds. (birdwatch) 3. My sister’s hobby is ______________.She took a lot of nice photos. (photo) 4. I find woodcarving ______________ because it’s a creative activity. (interest) 5. ______________ eggshells are unique gifts for family and friends. (carve) 6. A hobby is an ______________ that you do for pleasure. (act) 7. I think collecting glass bottles is ______________. (usual) 8. Susan is very ______________ and she paints very well. (create) VI. There is one mistake in each sentence. Underline and correct the mistake. 1. Nam is my classmates. He watches TV every night. 2. I think collecting stamps are interesting. 3. My dad cooks very good. He loves preparing meals for our family. 4. I enjoy to ride my bike to school. 5. We usually go in a small lake out of the city at weekends. 6. Do you still play football next year? 7. We like doing fishing because it is relaxing. 8. Do you think bird-watching interesting? VII. Match the questions with the answer. 1. Will you go swimming tomorrow? 2. Does your mother like watching films on TV? 3. What do you think about windsurfing? 4. Will you take up carving eggshells someday? 5. Why do you find making models boring? 6. What are your hobbies? 7. When did your brother start painting? 8. Does she have any difficult hobby? a. I think it is dangerous. b. Nope, I have another plan. c. Maybe. I find it really interesting. d. Yes, she enjoys mountain biking. e. No, she loves going to the cinema. f. About three years ago. g. Because it takes too much time. h. Swimming and playing chess.