单项选择题
A.borrow B.lend C.take D.let
Tripping defects in anchors frequently occur in().A.dee...
单项选择题Tripping defects in anchors frequently occur in().
A.deep water B.shallow water C.stiff soils D.soft soils
To reduce mild fever the MOST useful drug is().A.bicarb...
单项选择题To reduce mild fever the MOST useful drug is().
A.bicarbonate of soda B.paregoric C.aspirin D.aromatic spirits of ammonia
To prevent a wooden hull from leaking you caulk it().A....
单项选择题To prevent a wooden hull from leaking you caulk it().
A.after drydocking,while the hull is moist B.after drydocking,and the hull has dried C.afloat,where it is leaking D.afloat,in all accessible areas