此题为判断题(对,错)。
________that the family had taken with them was one bottle of orange.
A.Anything
B.Everything
C.What
D.All
A bottle weighs less after air is taken out, ______proves that air has weight.
A.we
B.it
C.which
D.what
An immersion suit must be equipped with a(n) ______.
A.air bottle for breathing
B.orange smoke canister
C.whistle,light and retroreflective material
D.sea dye marker
An immersion suit should be equipped with a/an ______.
A.air bottle for breathing
B.whistle and hand held flare
C.whistle,strobe light and reflective tape
D.whistle,hand held flare and sea dye marker