Những động vật nào sau đây có quá trình phát triển qua biến thái hoàn toàn: 1 ong 2 cào cào 3 chuồn chuồn 4 rắn 5 muỗi 6 gà 7 bọ hung 8 Rùa A .1,2,3,4 B. 1,3,5,7 C .3,4,5,7 D .3,5,6,7

1/ If people solve the problem of smoke from vehiches, the air_______ pure and fresh A is B was C will be D would be 2/ If you post false information on the Internet, you_________fined A get's B got C would get D will get 3/ I believe that if all the people______the government's instructions, we_____covid-19 from spreading A don't follow /will prevent B followed /will prevent C follow/ would prevent D follow/ will prevent 4/Do you think there would be less conflict in the world if all people_______the some language? A spoke B would try C tried D will try 5/ If our schools are still closed because of the pandemic, we_______to study online A wouldn't B would try C tried D will try 6/If I _____you,I_____ many subjects online Instead of playing video games A was/will study B am / will study C were/ would study D am/ would study 7/ If people need more paper, more trees_____ A will cut down B cut down C will be cut down D are cutting down 8/ My English is not good. If I _____ English well, I________able to get a good job in a foreigh company A speak / can be B spoke/ were C spear/ were D spoke/ would be 9/ If everybody________to the fight against covid-19 , we will win soon A contribute B contributes C are contributing D is contributed 10/ If people protect the forest, a lot of trees___ A will be preserved B will preserve C preserve D would preserve 11/ If you were me, what_____? A you would do B will you do C do you do D would you do 12/ people don't trust him because he tells lies A If he tells lies, people would trust him B If he didn't tell lise, people would trust him C If he doesn't tell lise, people will trust him D If he told lies, people woulsn't trust him 14/ wear a face mask when you are with many people, or you will be at risk A If you wear a face mask when you are with many people, you will be at risk B If you don't wear a face mask when you are with many people, you will be at risk C If you didn't wear a face mask when you are with many people, you would be at risk D If you don't wear a face mask when you are with many people, you would be at risk 18/ we/ should / maintain/ personal space/ avoid/ crowds/ If / we / want/ be/ safe/ now A we should be maintained personal space and avoid crowds if we want to be safe now B we should maintalin personal space and avoid crowds if we want to be safe now C we should maintalin personal space and avoid crowds if we wanted to be safe now D we should maintalin personl space to avoid crowds if we want be safe now 19/ Her English / not/ be/ rusty/ she / used / more often A Her English wouldn't be rusty if she uses it more often B Her English wouldn't be rusty if she has used it more often C Her English wouldn't be rusty if she is using it more often D Her English wouldn't be rusty if she used it more often

Ai đó làm rồi giải thích vì sao điền vậy hộ em với ( 50 đ đó ạ )

Giải giùm e nhanh xíu ạ đang gấp

: cho e hỏi gsử lim x->xo của f(x) =M thì lim x-> xo của căn bậc ba của f(x)= căn bậc 3 của M với mọi M đúng k ạ hay có đkiện gì k ạ

help ! giúp mình !..............

Soạn bài 8: Quyền trẻ em. Làm xong mình cho thêm điểm

Nguyên nhân dân cư phân bố không đồng đều giữa miền Bắc và miền Nam, giữa phía Tây và phía Đông ở Bắc Mĩ là do: A. Chính sách dân số. B. Lịch sử khai thác lãnh thổ. C. Sự phát triển kinh tế. D. Sự phân hóa về tự nhiên.

2 thùng dầu có tất cả 36 lít nếu lấy bớt 4 lít dầu ở thùng thứ nhất sang thùng thứ 2 thì 2 thùng có số dầu bằng nhau. hỏi lúc đầu mỗi thùng có bao nhiêu lít dầu

tìm dạng câu đặc biệt trong các bài thơ trữ tình đã học và câu rút gọn của tục ngữ . Phân tích tác dụng của mỗi câu đó GIÚP MK VS NHA CÁC BN :))))