What are the allowed weight of checked luggage for economy class if you travel by air in the area of China（）
A: 20 kg
B: 10 kg
C: 40 kg
D: 30 kg
A: 20 kg
B: 10 kg
C: 40 kg
D: 30 kg
举一反三
- Most of the airlines have the allowance of ______ for first-class passengers. A: 40 kg B: 30 kg C: 20 kg D: 10 kg
- According to Air China, what are the weight requirements for carry-on luggage of passengers with economy class ticket?
- About the average weight of a child, which one of the following may not true? A: 3.5 kg at birth B: 5 kg at 6 m C: 10 kg at 1 yr D: 20 kg at 5 yr
- 6个月～1岁小儿每日所需的能量是（）。 A: 40～50kcal／kg B: 15～20kcal／kg C: 20～30kcal／kg D: 50kcal／kg E: 30～40kcal／kg
- 正确的治疗方法是 A: 青霉素(20～40)万U/(kg•，丁胺卡那(8～10)mg/(kg• B: 红霉素(30～50)mg/(kg•，氨苄青霉素(100～200)mg/(kg• C: 链霉素20mg/(kg•青霉素20～40d万U/(kg• D: 异烟肼20mg/(kg•，乙胺丁醇20mg/(kg• E: 异烟肼15mg/(kg•及链霉素15mg/(kg•配合乙胺丁醇15mg/(kg•