()不属于地壳运动的类型。
A.造山运动
B.造陆运动
C.振荡运动
D.平行运动
参考答案:D
一切物体只要很小就能用显微镜观察.______.
A chart with a natural scale of 1:160,000 is classified as a().
A.sailing chart
B.general chart
C.coast chart
D.harbor chart