a.x ={1;-1;2;-2;3;-3;4;-4}
b.x{1;2;3;4;5;6;7;8;9;10;-1;-2;-3;-4;-5;-6;-7;-8;-9;-10}
c.x={3;4;5;6;7;8;9;-3;-4;-5;-6;-7;-8;-9}
d.x={4;-4}
l.x={1;2;3;-1;-2;-3}
g.x={-5;5;-6;6;-7;7;...}
a)$ x ∈${$1;-1;2;-2;3;-3;4;-4$}
b)$ x∈${$1;2;3;4;5;6;7;...;-8;-9;-10$}
c) $x∈${$3;4;5;6;7;8;9;-3;-4;-5;-6;-7;-8;-9$}
d) $x∈${$4;-4$}
l) $x∈${$1;2;3;-1;-2;-3$}
g)$ x∈${$-5;5;-6;6;...$}
Exercise 1: Chọn từ thích hợp trong số A, B, C hoặc D 1/ What was the name of the girl .............. passport was stolen ? A. whose B. who C. which D. when 2/ The bed ..................... I slept in was too soft. A. which B. who C. where D. what 3/ Nora is the only person ............... understands me. A. which B. who C. whom D. what 4/ The man ............. she is married to has been married twice before. A. which B. who C. whom D. what 5/ The hotel ........... we stayed was not clean. A. that B. which C. where D. what 6/ The last time.............. I saw her, she looked very beautiful. A. when B. which C. whom D. what 7/ The stories ....... Tom tells are usually very funny. A. that B. who C. when D. what 8/ Have you seen the money ........ was on the table ? A. which B. who C. whom D. what 9/ The factory ................... John was working is the biggest in town. A. which B. who C. where D. what 10/ Jim passed his driving test, .............. surprised everybody. A. that B. which C. whom D. what 11/ Do you remember the day............. we first met ? A. when B. which C. whom D. what 12/ Thank you for your letter, .................... I was very happy to get. A. that B. which C. whose D. what 13/ The reason ................ he failed was obvious. A. that B. why C. whom D. what 14/ Ann has a lot books, most of .... she hasn't read. A. that B. who C. which D. what 15/ The mother ............. son was killed in the accident was very sad. A. that B. whose C. whom D. what Exercise 2 : Nối hai câu thành một câu sử dụng đại từ, trạng từ quan hệ 1/ The student is from China. He sits next to me. ……………………………………………………………………………………………… 2/ I thanked the woman. This woman had helped me. ……………………………………………………………………………………………… 3/ The professor is excellent. I am taking his course. ……………………………………………………………………………………………… 4/ I recently went back to Paris. It is still as beautiful as a pearl. ……………………………………………………………………………………………… 5/ Nam knows the man. We talked to him this morning. …………………………………………………………………………………………… 6/ The house is very old. My grandfather used to live there. ……………………………………………………………………………………………… 7/ We stayed in a hotel . The hotel was very expensive. ............................................................................................................................................ 8/ The man is an architect . We play with his son every day. ............................................................................................................................................ 9/ She’s riding on the elephant . It was carried from India. ............................................................................................................................................ 10/ Trinh Cong Son composed songs . They are greatly kiked by millions of Vietnamese people. ............................................................................................................................................ 11/ The engineers designed the building . The engineers received an award. ............................................................................................................................................ 12/ The students live in that dormitory . They are from Australia. ............................................................................................................................................ 13/ The bicycle has only a wheel . It is often used at the circus. ............................................................................................................................................ 14/ My best friend sees me every day . He always has something new to tell me. ............................................................................................................................................ 15/ Her house is in excellent repair . Her house is over two hundred years old. ............................................................................................................................................
1.Lập sơ đồ tư duy hệ thống lại lại các kiểu câu chia theo mục đích nói.(câu nghi vấn, câu cảm thán, câu cầu khiến, câu trần thuật) Giúp mình với please
Mọi người giúp em làm câu 6 với ạ.Em cảm ơn
Một hình lập phương có cạnh 4cm nếu gấp cạnh của hình lập phương lên 3 lần thì diện tích xung quanh và diện tích toàn phần của nó gấp lên báo nhiêu lần? Tại sao?
Trách nhiệm của Mỹ-Anh-Pháp như thế nào khi để Chiến tranh Thế Giới thứ 2 nổ ra?
Mn giúp mk bài này với ạ Thanks u
Vẽ tam giác ABC vuông tại Ạ biết AB nhỏ hơn ac có bm là phân giác ABC và m thuộc đoạn thằng ac vẽ mk vuông góc BC tại k Mk cắt AB tại n Cm bm là trung trức ak Mn = mc
Tìm x 3×x-(2-17)=2 Chi tiết giúp mình nha
Cho mình hỏi tại sao (EC+BE)/ ( AB+ AC)= 7/11 sao mình suy ra được EC= 42/11; EB = 35/11 dạ ??
A.Find the odd once out A,B,C or D 1.A.riding B.driving C.gardening D.flying 2.A.no cycling B.no parking C.no right turn D. sign 3.A.train B.plane C.car D.sail 4.A.by car B.on foot C.by bus D. by bicycle 5.A.rule B.ride C. reverse D.drive B.chose the best option A,B,C or D to complete the sentence. 1.Minh used to ...............his homework late in the evening. A.does B.do C.doing D.did 2.If people ...............the rules, there are no more accidents. A.follow B. take care of C. obey D.remember 3.You should ............right anh left when you go across the roads. A.see B.look C.be D.take 4.Hurry up or we can't ..............the last bus home. A.keep B.follow C.go D.catch 5.Lan used to go to school........... A.with bicycle B.by foot C.in car D. by bus 6.Public ..............in my town is good and cheap. A.transport B.tour C.journey D.travel 7......................is not very far from here to the city centre. A.that B.this C.it D.there 8.When there is a traffic jam, it..................me a very long time to go home. A.costs B.takes C.lasts D.spends 9.Mai's dad usually drives her to school.................her school is very far from her house. A.but B.though C.because D.or 10. yesterday Hoa and Lan...............round West Lake.It took them an hour. A. cycle B.cycles C.cycling D.cycled các bạn giúp mk vs mk cảm ơn nhìu ạ 33
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