Viết một đoạn văn hội thoại có sử dụng câu nghi vấn với các chức năng khác nhau dùng để hỏi, dùng để bộc lộ cảm xúc ,đe dọa

1 số bài tập thi tuyển sinh và ôn tập trong dịp tết

bạn nào giỏi toán giúp mk từ bài 5 trở ik ak mk cảm ơn trước

Cho tam giác ABC có đỉnh B(-4;-5) và pt 2 đường cao lần lượt là 5x+3y-4=0 và 3x+8y+13=0 Hãy viết pt các cạnh của tam giác ABC

Một người mang cam đi đổi lấy táo và lê. Cứ 9 quả cam thì đổi được 2 quả táo và 1 quả lê, 5 quả táo thì đổi được 2 quả lê. Nếu người đó đổi hết số cam mang đi thì được 17 quả táo và 13 quả lê. Hỏi người đó mang đi bao nhiêu quả cam?

Một ô tô đi từ A đến B cách nhau 60km trong thời gian qui định, trên nửa quãng đường đầu ô tô đi với vận tốc kém hơn vận tốc qui định là 6km/h, trên nửa quãng đường sau ô tô đi với vận tốc lớn hơn vận tốc qui định là 10km/h vì vậy ô tô đến B đúng hơn thời gian qui định . Tìm thời gian qui định đó. Lm theo cách lập hệ pt nha

124. The point that Murphy brought up was not relevant _____ the discussion. A. on B. of C. up D. to 125. Organically raised crops are free ______ chemical pesticides and herbicides. A. in B. of C. with D. up 126. This book is preferable ______ that one. A. on B. to C. up D. of 127. If you are not satisfied ______your essay, then I suggest that you rewrite it. A. to B. on C. with D. about 128. Do you belong ______ any clubs or organisations? A. on B. to C. for D. up 129. Cytology is one branch of biology that deal ______ the structure, form, and life of cells. A. on B. with C. about D. at 130. We should concentrate ______ solving this problem before we discuss the other ones. A. on B. in C. to D. at 131. Most essays consist ______ an introduction, a body and a conclusion. A. in B. of C. about D. with 132. People want friends they can rely _____ . A. up B. of C. in D. on 133. We did not plan ¬¬¬¬_______ such a long delay. A. on B. in C. of D. to 134. If you have engaged ______ any extracurricular activity, you should mention the fact on your resume. A. in B. of C. up D. with 135. Iron combines ______oxygen to form rust. A. about B. with C. upon D. up 136. Did you agree ______ any of Minh’s ideas? A. about B. on C. in D. for 137. The accident resulted ______ several minor injuries. A. on B. in C. of D. at 138. Congratulations ______ your success! A. to B. on C. in D. up 139. Is it possible ______ me to get the appointment some time next week? A. to B. up C. for D. with 140. My brother was married _______ one of the most famous actresses. A. to B. up C. with D. about 141. The police said that the lawyer had interfered _______ their investigation. A. for B. on C. to D. with 142. By the late 1940s, television had begun to seriously compete _____ radio for audience and advertisers. A. with B. to C. for D. on 143. Jame didn’t have any trouble adjusting ______ the climate here. A. about B. to C. on D. up 144. William insists ______ getting up early,even on weekens. A. on B. to C. toward D. for 145. What does this symbol refer _____? A. on B. to C. for D. forward 146. Many companies participated ______ the trade fair. A. for B. in C. to D. up 147. Did you hear the news ______ TV or read it ______ the newspaper? A. at / on B. on / in C. in / in D. for / on 148. The members of a jury are chosen _____random, from a list of voters. A. at B. on C. in D. with 149. Videophones are not practical ______ present, but they may be in the near future. A. in B. up C. on D. at 150. Ms. Loan is ______ charge of the marketing department. A. on B. at C. in D. up 151. Please come here _____ once. A. on B. in C. at D. for 152. I am sure he didn’t break the plate _____ purpose. A. in B. at C. for D. on 153. We can’t access _______ the Internet where we live. A. to B. on C. at D. with 154. There must be ______ at least on vowel in every English word. A. at B. up C. in D. upon 155. This book is based _____ part on fact. A. in B. upon C. at D. on 156. _____ general, I found zoology to be the easier subject than botany. A. On B. In C. At D. With 157. We are all fascinated ______ the things we saw. A. on B. in C. by D. for 158. The government is trying to make the country safe ______ terrorist attacks. A. from B. of C. at D. for 159. The police blamed the mother ______ neglecting her child. A. to B. for C. with D. of 160. She returned ______ China after spending much time abroad. A. in B. from C. to D. at 161. I always take careful notes ______ what my professor say during lectures. A. in B. for C. of D. with 162. Tom has tried hard hard to keep pace _____ his classmates. A. to B. with C. at D. for 163. Don’t make fun _____ that disabled boy. A. upon B. in C. to D. of 164. The rule hadn’t been put _______ force until the King died. A. in B. at C. for D. towards 165. She stood there, saying nothing until she lost sight ______ plane. A. to B. of C. inside D. about 166. This custom dated back _____ the period when many Londoners traveled to and fro on horseback. A. about B. over C. with D. to 167. Be calm and don’t make a fuss ____such trifles. A. for B. over C. about D. A and B 168. I have lost touch ______ Huong for 2 years. A. with B. of C. from D. to 169. Pay attention ______ all the traffic sign when you are travelling in the street. A. of B. to C. for D. with 170. Have you taken notice ______ the “Stop” sign? A. at B. to C. from D. of 171. Teacher, are we expected to learn all the new words ______ heart? A. in B. at C. by D. to 172. She always takes good care _____ her children. A. for B. in C. of D. with

Giỏi văn thì làm hộ mik với mik chụp rồi ai ko nhìn được thì nói mik chụp lại

Cho tam giác ABC vuông tại A, đường cao AH. Kẻ HE, HF vuông góc với AB, AC.CMR: a)FB/FC=(AB/AC)^2 b)BC.BF.CF=AH^3 giúp mik vs ạk !

5 mũ x-1 - 5 mũ x = 20 Hộ mk vs ạ