回归热可累及机体多个脏器,但受累最重的器官常是()
A.肾脏
B.心脏
C.脑组织
D.肝脏
E.脾脏
参考答案:E
硬结直径10~19mm()
A.PPD试验(+)
B.PPD试验(++)
C.PPD试验(+++)
D.PPD试验(++++)
E.PPD试验(-)
Sufficient cargo tanks shall be()prior to each ballast voyage in order that,taking into account the tanker’s trading pattern and expected weather conditions,ballast water is put only into cargo tanks which have been crude oil washed.
A.inerted
B.crude oil washed
C.gas freed
D.batterned down