Giúp mình 1 câu trắc nghiệm này với mình hứa sẽ đánh giá 5 sao Cho các nhận xét sau: - Lớp ngoài cùng của tất cả nguyên tử các nguyên tố có tối đa là 8e. - Các nguyên tử của nguyên tố kim loại có 1, 2 hoặc 3e ở lớp ngoài cùng (trừ 1H, 2He). - Các nguyên tử của nguyên tố phi kim có 5, 6 hoặc 7e ở lớp ngoài cùng (trừ 1H). - Các nguyên tử của nguyên tố khí hiếm có 8e ở lớp ngoài cùng (trừ 2He). - Khi lớp ngoài cùng có 4e thì nguyên tố này là lưỡng tính. Có bao nhiêu nhận xét đúng trong các nhận xét trên? A. 4. B. 3. C. 2. D. 1.

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5.Jim’s sister is a famous architect. You met her yesterday. ………………………………………………………………………………………………………………… 6.I receive two job offers. I accepted neither of them. ………………………………………………………………………………………………………………… 7.I was looking for a book this morning. I’ve found it now. ………………………………………………………………………………………………………………… 8.Mrs. Smith does volunteer work at the hospital. She is a retired teacher. ………………………………………………………………………………………………………………… 9.I live in a dormitory. Its residents come from many countries. ………………………………………………………………………………………………………………… 10.Lake Pres is a beautiful lake. It’s on the North Greek border. ………………………………………………………………………………………………………………… 5.Jim’s sister is a famous architect. You met her yesterday. ………………………………………………………………………………………………………………… 6.I receive two job offers. I accepted neither of them. ………………………………………………………………………………………………………………… 7.I was looking for a book this morning. I’ve found it now. ………………………………………………………………………………………………………………… 8.Mrs. Smith does volunteer work at the hospital. She is a retired teacher. ………………………………………………………………………………………………………………… 9.I live in a dormitory. Its residents come from many countries. ………………………………………………………………………………………………………………… 10.Lake Pres is a beautiful lake. It’s on the North Greek border. ………………………………………………………………………………………………………………… Use a relative pronoun to combine the two sentences. If the relative pronoun can be omitted, write it in brackets. 5.Jim’s sister is a famous architect. You met her yesterday. ………………………………………………………………………………………………………………… 6.I receive two job offers. I accepted neither of them. ………………………………………………………………………………………………………………… 7.I was looking for a book this morning. I’ve found it now. ………………………………………………………………………………………………………………… 8.Mrs. Smith does volunteer work at the hospital. She is a retired teacher. ………………………………………………………………………………………………………………… 9.I live in a dormitory. Its residents come from many countries. ………………………………………………………………………………………………………………… 10.Lake Pres is a beautiful lake. It’s on the North Greek border. …………………………………………………………………………………………………………………