建立青海湖鸟岛自然保护区保护斑头雁等鸟类，从保护生物多样性的措施考虑属于[ ]
A．迁地保护
B．就地保护
C．法制保护
D．法制管理
B
—What can I do for you?
—I’d like to buy a computer for my son, ______ at a good price but of great quality．
A．that
B．one
C．which
D．the one
汽车示波器不具有（）功能。
A．波形显示
B．数字万用表
C．故障代码读取
