浆细胞肿瘤
参考答案：
系单克隆浆细胞异常增生，并分泌单克隆免疫球蛋白和（或）多肽链亚单位的一组肿瘤性疾病。
在有列检作业场的车站，车辆空重车位的检查与调整由（）负责。
根据句意，用括号内所给单词的正确形式填空。
1. This costume is made of ____ (nature) material.
2. Today ____ (near) every family in our country has a TV set.
3. In ____ (north) parts of America, people often wear warm clothes in winter.
4. The machine should be ____ (heat) before we use it.
5. As the old ____ (say) goes, "Time waits for no man!"
