Trong tạo giống, phương pháp gây đột biến nhân tạo đặc biệt có hiệu quả với đối tượng sinh vật nào?

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the word or phrase that needs correction in each of the following questions:

  Each of the members of the group were made to write a report every week.  

• Mark the letter A,B,C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions:

  Although not widely sold, that book is considered to be best book on the subject.         

• Mark the letter A,B,C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions:

  Between all the photographs she showed me, there was only one of her husband.

• Mark a letter A, B, C, or D on your answer sheet to indicate the underlined part needs correction in each of the following questions:   

  You can (A) enjoy a sport (B) without  joining (C) in a club or (D) belonging to a team.

• Để bảo vệ vỏ tàu biển, người ta thường dùng phương pháp nào sau đây ?  

• Mark a letter A, B, C, or D on your answer sheet to indicate the underlined part needs correction in each of the following questions:   

  I’m (A) very glad that you’ve (B) done (C) lots of (D) progress this semester.  

• Để bảo vệ ống thép ( dẫn nước , dẫn dầu , dẫn khí đốt) bằng phương pháp điện hóa, người ta gắn vào mặt ngoài của ống thép những khối kim loại :

• Mark a letter A, B, C, or D on your answer sheet to indicate the underlined part needs correction in each of the following questions:   

  Having (A) finished his term paper (B) before the deadline, (C) it was delivered to professor (D) before the class.  

• Sợi dây đồng được dùng để làm dây phơi quần áo, để ngoài không khí ẩm lâu ngày bị đứt. Để nối lại mối đứt đó, ta nên dùng kim loại nào để dây được bền nhất ?         

• Mark the letter A,B,C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions:

  Despite of the pills which are available, many people still have trouble sleeping.