大陆裂谷(continental rift)
参考答案:
宏伟的线状洼地,如东非裂谷,是地壳上拉张的结果,呈“之”字型。
_____ into many languages , the book is popular with young people.
A.Having been translated
B. Having translated
C.To be translated
D.Been translated
人们通过自己的经验形成的对某类人或某类事物较为固定、概括而笼统的看法叫做 __________ 。