下载APP
【单选题】
体重4kg的婴儿用牛奶喂养，每日应供给含糖8％的牛奶约
A.
350 ml
B.
420ml
C.
500 ml
D.
550 ml
E.
600 ml
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Until about 30 years ago, language researchers focused their studies on infants who had already begun to babble, according to Jusczyk, who has written a book on how children acquire language titled Th...
A.
By listening to the sounds.
B.
By repeating the sounds.
C.
By listening to their own babbling.
D.
By uttering the sounds.