When separate pieces of ice collide, they will form tiny mountain ranges, which are called pressure ridges.
举一反三
- …or “pressure ridges” of ice that are pushed up like tiny mountain ranges when separate sheets collide. A: crush B: huddle C: hover D: crash
- When winter comes, there are large pieces of _________ ice on the surface of the river.
- The process ____ water is changed into ice is called freezing. A: by which B: to which C: at which D: for which
- The two significant mountain ranges of American are()and().
- When swiftly executed, the running form characters are called ____.