题目

What are the speakers mainly talking about? A . An ancient book. B . A valuable library. C . A piece of research. 答案：A读“中东地形图”，回答下列问题：（1）大洲：①______    ②______    ③______（2）海洋：a、______  b、______c、______  d、______  e、______（3）海峡与运河：④______，（4）河流：⑥______，⑦______．