夜盲症是由于()缺乏引起的。
参考答案:VA
属于原发性恶性单克隆免疫球蛋白病的是 ()
A.类风湿病
B.冷球蛋白血症
C.单核细胞白血病
D.慢性淋巴细胞白血病
E.非淋巴系统肿瘤
In Zhejiang there will be a new bridge over 30 kilometres long ________ Ningbo and Jiaxing. [ ]
A. beside
B. between
C. next to
D. from