làm giúp tớ câu 2 và 3 với ạ :33

I. REDUCE RELATIVE CLAUSES USING PRESENT PARTICIPLES (V-ING): For Active Rel. Clauses Ex: The student who sits next to me is from China.  The student sitting next to me is from China. 1. The professor who is talking to the headmaster has just returned from America.  ……………………………………………………………………………………………………….. 2. The children who attend that school receive a good education.  ……………………………………………………………………………………………………….. 3. The fence which surrounds our house is made of wood.  ……………………………………………………………………………………………………….. 4. The papers that are on the table belong to Patricia.  ……………………………………………………………………………………………………….. 5. The man who is talking on the phone is a local police.  ………………………………………………………………………………………………………..

3 x 4/6 giúp nha ok , a giúp cho câu trả lời hay nhất

bài 1 / cho 6,3 gam hỗn hợp A gồm 2 kim loại nhôm và magie tác dụng hết với dung dịch HCl , sau phản ứng thu được 6,72 lít khí hiđro (đktc) a, tính khối lượng mỗi kim loại trong A b, lượng hiđro ở trên khử vừa đủ 17,4 gam oxit của kim loại M . xác định công thức hóa học của kim loại M . " cứu gấp : ( vote5+thanksss+ctl good nhất) làm ơn !!! "

dạng 1: tìm số chưa biết trong một biểu thức: bài 2: a\ 6 ⋮ (x-1) c\ 15 ⋮ (2x + 1) e\ 12 ⋮ (x+3) g\ x+16 ⋮ x+1 b\ 5 ⋮ (x-1) d\ 10 ⋮ (3x + 1) f\ 14 ⋮( 2x ) h\ x+11 ⋮ x+1

12 Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. I hope ______ to know this beautiful city better. A: to have B: to need C: to get D: to appear 13 Japan, (23) ______on the Ring of Fire on the edge of the Pacific Ocean, has suffered some major earthquakes over the years. However, nothing before compared to the triple disaster of March 11, 2011: a massive earthquake followed by powerful tsunamis (24)_____ led to a serious nuclear accident. The horrors began shortly before three (25)___ the afternoon local time with a 9.0-magnitude earthquake. Its epicenter was nearly 20 miles (26)___the floor of the Pacific Ocean, about 80 miles east of the Japanese city of Sendai. The quake was one of the most powerful ever recorded and the (27)_______ to hit this region of Japan. Question 24 A: who B: when C: whom D: which 14 Mark the letter A, B, C or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. In Vietnam, there are few public transport options, so many people rely on motorbikes to get around. A: private B: open C: popular D: secret 15 Mark the letter A, B, C or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. She failed to get into medical university. A: passed B: qualified C: satisfied D: didn’t succeed 16 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 each of the numbered blanks. Japan, (23) ______on the Ring of Fire on the edge of the Pacific Ocean, has suffered some major earthquakes over the years. However, nothing before compared to the triple disaster of March 11, 2011: a massive earthquake followed by powerful tsunamis (24)_____ led to a serious nuclear accident. The horrors began shortly before three (25)___ the afternoon local time with a 9.0-magnitude earthquake. Its epicenter was nearly 20 miles (26)___the floor of the Pacific Ocean, about 80 miles east of the Japanese city of Sendai. The quake was one of the most powerful ever recorded and the (27)_______ to hit this region of Japan. Question 27. A: stronger B: strongest C: strength D: strong 17 Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. I suggest that we should ______ people from catching fish by using electricity. A: let B: encourage C: prohibit D: relate 18 Mark the letter A, B, C or D on your answer sheet to indicate the meaningful sentence from the cues given. It/ be / necessary / have a day / celebrate / our parents A: It is necessary to have a day to celebrate for our parents. B: It is necessity to have a day to celebrate for our parents. C: It is necessary to have a day to celebrate to our parents. D: It is necessary to have a day for celebrate for our parents. 19 Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. Hai Anh: “_______” Minh Phuong: “Why not?” A: We’d better be cooking the meal. B: You should cook the meal now C: Have you cooked the meal? D: How about cooking the meal now? 20 Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. Mr. Trung, who teaches Maths here, speaks very ______ English. A: good B: well C: best D: fluently 21 Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions. A: expensive B: dangerous C: successful D: enormous 22 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 each of the numbered blanks. Japan, (23) ______on the Ring of Fire on the edge of the Pacific Ocean, has suffered some major earthquakes over the years. However, nothing before compared to the triple disaster of March 11, 2011: a massive earthquake followed by powerful tsunamis (24)_____ led to a serious nuclear accident. The horrors began shortly before three (25)___ the afternoon local time with a 9.0-magnitude earthquake. Its epicenter was nearly 20 miles (26)___the floor of the Pacific Ocean, about 80 miles east of the Japanese city of Sendai. The quake was one of the most powerful ever recorded and the (27)_______ to hit this region of Japan. Question 23 A: was B: lied C: placed D: situated

Giá trị của m là: A. 7,4 B 8,7 C.9,1 D.10

giải chi tiết bài này theo cách giải lớp 11 gấp giúp mình ạ !

Tìm số tự nhiên n nhỏ nhất để tất cả các phân số sau đây là tối giản: $\frac{5}{n+6}$ + $\frac{6}{n+7}$ + $\frac{7}{n+8}$ + ... + $\frac{40}{n+41}$ Ai biết lời giải của bài này không? ( Mình tìm ra đáp án rồi nhưng không biết giải )

Tìm giá trị nhỏ nhất của A biết : A = |4x + 3| + 4x - 15