第I卷 选择题 (满分40分)
第一部分:阅读理解(共两节,满分40分)
第一节 (共20个小题,每小题2分,满分40分)
阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该项涂黑。
A
Scientists used to explore探测on the surface of the ocean. Now they are exploring below the surface, too. They want to know about ocean water and the plant and animal life deep in the ocean.