【简答题】Rivers, Seas and Oceans Nearly three-quarters of the earth is covered with water. Water heats up more slowly than land , but once it has become warm , it takes longer to_1_down . If the earth ’s su...
【单选题】Rivers, Seas and Oceans Nearly three-quarters of the earth is covered with water. Water heats up more slowly than land , but once it has become warm , it takes longer to_1_down . If the earth ’s surfa...
【简答题】Rivers, Seas and Oceans Nearly three-quarters of the earth is covered with water. Water heats up more slowly than land,but once it has become warm, it takes longer to_1_down. If the earth’s suce we...