小儿营养不良最先出现的症状是
A.皮下脂肪减少或消失
B.身长低于正常
C.皮肤干燥,苍白,失去弹性
D.肌张力下降,体温偏低,智力迟钝
E.体重不增加
参考答案:E
It’s stubborn ____ you _____ your parents’ advice.
A.for; don’t listen to
B.for; not to listen
C.of; not listening to
D.of; not to listen to
代理商分为哪三级?各代理哪些区域?