纵观大陆地壳岩石分布图和海洋地壳形态图，我们可以看出岩石的分布是有规律可寻的。
参考答案：对
—What are you going to eat supper?
—I ____ have dumplings. [ ]
A. may
B. must
C. need to
D. can
地理学在社会经济建设的哪些方面能够发挥作用？
