单项选择题
A.two B.three C.more than two D.more than three
There is actually an overlap of（）ocean regions somewher...
单项选择题There is actually an overlap of（）ocean regions somewhere in Western European Waters.
A.as many as three B.more than two C.less than two D.up to four
There are（）operational satellites in the INMARSAT syste...
单项选择题There are（）operational satellites in the INMARSAT system covering the whole globe except the polar regions.
A.3 B.4 C.8 D.12
The satellites over the major ocean regions cover the g...
单项选择题The satellites over the major ocean regions cover the globe（）.
A.besides the polar regions B.including the North Pole and the South Pole C.above 70°N and below 70°S D.as for north and south as 70°
