下列选项中,强直性脊柱炎()。
A.dsDNA阳性
B.RF高滴度
C.HLA-B27阳性
D.硒缺乏
E.尿酸结晶阳性
参考答案:C
—How can I see thick snow in most northern parts of China?
—You have to wait till _____ comes, Steve. [ ]
A. summer
B. autumn
C. winter
D. spring
A high cube container is designed specifically to().
A.carry low density cargoes
B.protect fragile cargoes
C.stow cargoes with concentrated weights such as machinery
D.carry cargoes of very low stowage factors