Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
Chon tu khong cung nhom
1. A. Park B. Bakery C. Bookstore D.drugstore
2. A. Restaurant B. Museum C. Hospital D. Lake
3. A. Teacher B. Mother C. Nurse D. Doctor
4. A. Yard B. School C. Hotel D. House
5. A. Small B. Good C. Man D. Tall
Hay tim mot tu khong cung nhom ve nghia voi cac tu con lai :
1. Forty three fifty-six many
2. Family teacher engineer doctor
3. His her you your
4. Classroom students teachers streets
5. Television stereo telephone city
6. Father mother brother student
7. Hello hi good night good morning
8. Bye goodbye good night good afternoon
Hay tim mot tu khong cung nhom ve nghia voi cac tu con lai :
1. Forty three fifty-six many
2. Family teacher engineer doctor
3. His her you your
4. Classroom students teachers streets
5. Television stereo telephone city
6. Father mother brother student
7. Hello hi good night good morning
8. Bye goodbye good night good afternoon
Chon tu co phan gach chan phat am khac voi cac tu con lai
1. A. Engineer B. Hotel C. Temple D. Enlarge
2. A.theatre B. This C. That D.father
3. A. Lake B.factory C.plane D. Place
4. A. Hats B. Parks C. Buses D. Banks
5. A. Garden B. Farm C. Market D. Wash
Cho doan mach cua 1 gen co trat tu cac nucleotit nhu sau:
mach 2: -X-A-A-G-T-X-T-G-X-A-A-
a. hay viet trat tu cac nucleotit tuong ung tren mach 1 va trat tu cac cap nucleotit cua ca doan gen tren
--------------------------------------------------------------------------------------
Mạch 2: -X-A-A-G-T-X-T-G-X-A-A-
Mạch 1: -G-T-T-X-A-G-A-X-G-T-T-
Phần b mình chưa biết làm, bn thông cảm!!! 
chon tu khac loai
1,a,old. b,heavy c,tall d, height
2,a,cold. b, toothache c,virus. d, flu
3,a,mouth. b, head. c, problem. d, stomach
4,a, school. b, nurse. c, doctoc. d, cure
5, a, stand. b, common c, check. d,wait
Hay tim tu khong cung loai voi cac tu khac
1. A stereos B. cassettes C.bookshelves D.television
2. A which B. armchair C. how D. where
3. A. father B. brother C. mother D. teacher
4. A. first B. twenty C. second D. third
5. A. floor B. school C. small D. livingroom
1. D
2. B
3. D
4. B
5. C