单项选择题
A.incorrect image B.distinctive image C.pictorial image D.pictographic image
Proper use shall be made（）radar equipment.A.withB.toC.f...
单项选择题Proper use shall be made（）radar equipment.
A.with B.to C.for D.of
No assumptions（）on the basis of scanty information，espe...
单项选择题No assumptions（）on the basis of scanty information，especially scanty radar information.
A.should not be made B.are not to be taken C.should be taken D.shall be made
My radar is not working.I require shore based radar ass...
单项选择题My radar is not working.I require shore based radar assistance.Is shore based radar assistance（）?
A.used B.available C.in use D.can be used
