高考英语新题型-----语法填空专练
（一）
阅读下面短文，根据上下文填入适当的词语，或使用括号中词语的适当形式填空，并将答案填写在标号为1-10的相应位置。
Did you know that in the mountains it can start to snow in August? It snows through the fall and winter. 1 , in spring, when all that snow melts, water falls down the mountainsides. Streams(溪流) form and come 2 to form rivers. Let’s follow one of the rivers in Utah.
The Bear River begins nearly 13,000 feet 3 in the mountains. It ends only 90 miles 4 , but it will have dropped about 9,000 feet first! The most surprising thing about this river is where 5 ends.
