“人类疾病与健康起源研究”表明，母乳喂养可减少成年后肥胖、高血压、糖尿病等慢病的发生率。
参考答案：对
Many years later, the father returned form the army and found that his daughter was no longer ________ she used to be. [ ]
A. what
B. how
C. when
D. whom
呼吸道不具有的功能是
A．进行气体交换的场所
B．气体进出肺的通道
C．温暖进入肺的空气
D．湿润进入肺的空气
