Cho 14,4g hỗn hợp X gồm Cu và CuO tác dụng vừa đủ vs 500ml dung dịch HCl 0,4M. Tính khối lượng của đồng trong hỗn hợp ban đầu.

hoàn cảnh sáng tác của bai thơ con tu hú

Làm gấp giúp mik câu b,c,d câu 2 nha Thank

Phân tích tác dụng biện pháp tu từ trong khổ thơ thứ ba văn bản quê hương của tác giả tế hanh

Choose the best option (A, B, C or D) to complete these sentences. 1. The famous Sydney Opera House______ as an arts center since 1973. A. serves B. have served C. has served 2. __________is a Scottish word for “lake”. A. legend B. kilt C. loch 3. Australia is composed of seven __________. A. nations B. countries C. states 4. Linh: Do you think you can book our tour to Myanmar?. - Ha: __________! A. That's awesome B. Sure C. I don’t understand 5. We would love to visit __________, a famous amusement park. A. a performance B. Disneyland C. a cattle station 6. Do you know that the telephone, the TV and penicillin are Scottish __________. A. inventors B. inventions C. symbol 7. Noise pollution can lead to __________loss. A. listening B. hearing C. reading 8. Choose the word that has different stress from the others A. scientific B. historical C. Taiwanese 9. Although England has several good football teams, it __________the World Cup once. A. wins B. have won C. has won 10. Choose the word that has different stress from the others A. classic B. adoptee C. historic

Cho ∆ABC có AB<AC,góc B nhọn kẻ đường cao tại H. Cb vẽ hình giúp mik nhé mik sẽ vote và thanks cho cấm spam nha.Camon cb.

( 24x+5^3)- 4.5^4=5^4 Giups mình với

Caccac giup mk voi a cam on nhieu luon

help.............................me...................

Conditional Sentence Type I : Câu điều kiện loại 1 Question I. Put the verbs in brackets into the correct form. (Chia những động từ trong ngoặc đơn vào đúng hình thức). 1.If we (recycle) ________ more, we will help the Earth. 2. Factories (not dump) ______________waste into rivers if the government fine them heavily. 3. If people travel to work by bus, there (be) ______________fewer car fumes. 4. We (save) ________________thousands of trees if we don’t waste paper. 5. If we use water carefully, more people (have) ______________fresh water. 6. If the factory (continue) ________________ dumping poison into the lake, all the fish and other aquatic animals will die. 7.If we recycle more, we (help) ________________ the Earth. 8. If people (travel)________________to work by bus, there will be fewer car fumes. 9. We save thousands of trees if we (not waste)_______________don’t waste paper. 10. Factories don’t dump waste into rivers if the government (fine) _______________ them heavily. Question II. Put the verbs in brackets into the correct form. (Chia những động từ trong ngoặc đơn vào đúng hình thức). 1. If he (study) ________________ harder, he can pass an exam. 2. She may be late if she (not hurry) ________________. 3.If you study harder, you (pass) ________________ the exam. 4. If you are kind to me, I (be) _______________ good to you. 5.If he (give) _______________ up smoking, as his doctor orders, he will be soon well again. 6. You (not pass) _______________ your driving test unless you drive more carefully. 7. He’ll be ill if he (not stop) ________________ worrying so much. 8. We’ll go to the beach tomorrow if it (be) ________________ nice. Conditional Sentence Type II : Câu điều kiện loại 2 Question III. Put the verbs in brackets into the correct form. (Chia những động từ trong ngoặc đơn vào đúng hình thức). 1. If I were you, I (look) ________________ for a new place to live. 2. If Lan wasn’t ill, she (join) ________________ out tree planting activity. 3.If there were fewer cars on the road, there (be) ________________ less pollution. 4.If people really cared about the environment, they (not dump) ________________ waste into the lake. 5.If there was no fresh water in the world, what (happen) ________________. 6.If you (be) ________________ the president, what would you do to help the environment ? 7.They get sick so often.If they exercised more, they (be) ________________ heathier. 8.If I (have) ________________ one million US dollars , I would build more parks in our city. 9.Quan’s mother is unhappy.If Quan tided his room every day, his mother (not be) __________ so upset. 10.There isn’t a garden at house .If there were, we (grow) ________________ vegetables. * giúp mình nha *