III. Điền vào chỗ trống một từ thích hợp sử dụng các từ đã cho. (2 điểm)
about recently freely invention became thanks surface breathing
Most of the world’s (1) .....................................................
is water. We may know the land very well, but we know very little (2) ..........................................................
the ocean. Until (3) .....................................
, man could not stay underwater for long. But now, with special (4) ...........................................
equipment, a diver can stay longer. After the (5) ........................................
of this equipment, man could swim (6) ...........................................
underwater and scuba-diving (7) ...................................
a popular sport. We can learn more about the undersea world (8) .............................................
to this invention.
Loga
Sinh Học lớp 12
