Not all birds can fly , ______ do all birds build nests.
Your bike needs_____.You ‘d better do i right now.
They prefer to _______ the rest of the morning walking in the garden.
Homing pigeon is useful as a ______ carrier because when taken from home, it will return atthe first opportunity.
Jeans are so hot these days that big name stars appear on TV advertising for their ______ brands.
小儿肾功能达到成人水平的年龄是（）
根据尿瘘发生的部位，最多见的是（）
从母体获得的免疫球蛋白是（）
9个月小儿，母乳喂养，一直未加辅食。近1个月面色苍白，食欲低下，经检查诊断为缺铁性贫血，拟用铁剂治疗，护士指导患儿家长正确的口服铁剂的最佳时间是（）
______ the popularity of robots in Japan, the country ’s robot-production growth is slowing down.