单锚泊船的值班人员发现走锚时,情况危急,务必立即采取的首要措施是:().
A.松长锚链
B.缩短锚链
C.通知机舱备车移泊
D.抛下另一锚并使之受力
参考答案:D
We're going to _____ with some classmates for an outing. Want to come? [ ]
A. get about
B. get to
C. get along
D. get together
滴虫 * * 炎()
A.外阴皮肤出现界限分明的发白区,无任何自觉症状
B.外阴皮肤发红,伴有瘙痒且 * * 分泌物增多者,分泌物呈泡沫状
C.外阴皮肤增厚似皮革,色素增加,出现扁平丘疹
D.外阴皮肤的萎缩情况与身体其他部位皮肤相同
E.晚期皮肤菲薄皱缩似卷烟纸, * * 口狭窄致性交困难