The highest mountain in the world is about 9 kilo?metres high. If we put that mountain into the sea at that place there would be 2 kilometres of water above it!The sea is salty. There is one "sea" called the Dead Sea. The Dead Sea is not a sea. It's a big lake in the ...
a.lake b.rivevrs c.underground d.all the above2.the deepest place in the sea is near---a.china b india c,america d japanthe passage tells us the sea covers---of the earth 答案 【答案】1 D 第一段最后一句:Man can only drink or use the other 3% of the fresh water(淡水) whi...