(30) ________

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Một số câu hỏi khác có thể bạn quan tâm.

• Cho bảng số liệu:
  SẢN LƯỢNG LƯƠNG THỰC VÀ SỐ DÂN CỦA MỘT SỐ NƯỚC TRÊN THẾ GIỚI NĂM 2014.
  
  Tỉ trọng sản lượng lương thực và số dân của nước ta so với thế giới năm 2014 lần lượt là
  

• Phương trình chỉ có các nghiệm là:                         

• John asked me _______ in English.

• I do_______ I could give you a hand.

• Read the passage carefully and choose the correct answers
  Marriage nowadays is a choice people make on their own, but this has not always been the case in society. Thousands of years ago, the average lifespan was shorter than it is today. A man usually lived until he was about 40 years old, while women died even sooner because of childbirth. There were many wars and illnesses, and people had to protect themselves by having more children while they were still young. The parents lived through their children.
  Marriage was not so much a romantic love story but a business transaction, or deal. Most marriages were arranged between parents while their children were still very young. It was the custom that the fathers made the decision on whom their children were going to marry. The mothers had little say in it since they rarely made any decisions outside the household. The fathers would meet to arrange the wedding date and the money given for the bride on her wedding date. The more money and land a girl had, the more chances she had to marry well. Therefore, it was important that her father choose the bridegroom very well. Usually, it was someone who came from a good family or who was rich too. It was very unlikely that people married outside their social class. A few well-off and rich merchants got to marry poorer noblewomen and became King’s business advisors. In a way, poor peasants had an easier choice as it was less important whom they married.
  The practice of arranged marriage is still common in some countries in the Middle East, such as India or Pakistan. Here, social classes are still strongly divided and very well-kept. Often, however, arranged marriages are a sign that people do not want to let go of the past, which gives them comfort and security in an ever-changing world.
  (Adapted from Longman Essence Reading, Vol. 2)
  Question . The author mentions all of the following in the passage EXCEPT ______.
  
• Một trong những thành tựu quan trọng đạt được về xã hội của LB Nga sau năm 2000 là
  

• Giới hạn mà trong đó sự biến đổi về lượng chưa làm thay đổi về chất của sự vật và hiện tượng được gọi là

• Cho hỗn hợp gồm 0,42g NaF; 1,49g KCl; 3,09g NaBr; 3g NaI tác dụng hoàn toàn với lượng dư dung dịch AgNO₃. Khối lượng kết tủa thu được là:

• Từ một lò xo có độ cứng  và chiều dài , cắt lò xo ngắn đi một đoạn có chiều dài là . Độ cứng của lò xo còn lại bây giờ là

• Cho hàm số có đồ thị như hình vẽ bên dưới. Số điểm cực trị của hàm số là