If a person weighs 68kg on Earth, about how heavy would he or she feel on Mars?
A: 4 kg
B: 26 kg
C: 68 kg
D: 136 kg
A: 4 kg
B: 26 kg
C: 68 kg
D: 136 kg
举一反三
- If a person weighs 68kg on Earth, about how heavy would he or she feel on Mars? A: 4 kg B: 26 kg C: 68 kg D: 136 kg
- If a person weighs 68kg on Earth, about how heavy would he or she feel on Mars?
- 儿童和婴儿使用AED时,两次的电击能量分别为 A: 2 J/kg 4 J/kg B: 4 J/kg 6 J/kg C: 6 J/kg 8 J/kg D: 8 J/kg 10 J/kg E: 10 J/kg 12 J/kg
- 婴幼儿每日脂肪需要量是（） A: 3～6g/kg B: 5～7g/kg C: 4～7g/kg D: 5～6g/kg E: 4～6g/kg
- 九香虫含有微量元素，（）的质量分数相对较高，达到202、5 mg/kg；其次为Zn，质量分数为68、4 mg/kg