褶皱构造有( )两种基本类型:1.倾伏褶曲2.背斜 3.向斜4.平卧褶区
A. 1和2
B. 2和3
C. 3和4
D. 1和4
查看答案
两侧岩层向外倾斜,中心部分岩层时代较老,两侧岩层依次变新,并且两侧对称出现是( )
A. 向斜
B. 背斜
C. 断层
D. 节理
两侧岩层向内相向倾斜,中心部分岩层时代新,两侧岩层依次变老,并且两侧对称出现的是( )
A. 节理
B. 向斜
C. 背斜
D. 断层
关于褶曲分类正确的是( )
A. 按褶曲轴面产状,褶曲分为水平褶曲与直立褶曲
B. 按褶曲枢纽产状,褶曲分为水平褶曲与倾伏褶曲
Task 1 A salesgirl is introducing one of their printers to a customer. Listen to the conversation and fill in the blanks with what you hear.[音频]M: Could you give me the size of the printer?W: Yes. It’s 15 centimeters _________.M: How about its_________?W: It’s 30 centimeters wide.M: How long is it?W: The_________ is__________centimeters.M: By the way, how much does it weigh?W: Its_________ is 5 kilograms.