The weight of a 1-year-old infant is about ?
举一反三
- What is the head circumference when an infant is about 2 years old?
- 中国大学MOOC: The approximate average values of weight length and head circumference 1-year-old children are
- It's a fact that most 5 to 7 year old children use about 90% of their native grammar rules correctly.
- Mary is _________ girl. A: an 8—year—old B: 8一years—old C: the 8 years old D: an 8一year old
- An infant can recognize a lot of vowels by the time he or she is a year old.