引起其自然带更替的主导因素是（） A．热量 B．水分 _爱下问搜题

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问题选择题

引起其自然带更替的主导因素是（）

A．热量

B．水分

C．海拔

D．地形

答案

答案：A

本题考查自然带的更替。地理环境的整体及各组成部分，按照一定的空间方向发生分化，以至形成多极自然区域现象。全球不同地区的地理环境经常表现出极为显著的地域差异。地球上不存在两个自然状况完全相同的区域。引起其自然带更替的主导因素是气候因素的热量因素。所以本题选择A选项。

完形填空

I arrived at my mother's home for our Monday family dinner. The smells of food      over from the kitchen. Mother was pulling out quilt (被子) after quilt from the boxes,     showing their beauties. She was        for a quilt show at the Wooden Church. When we began to fold and put them        into the boxes, my attention was        by something at the bottom of one box. I        it out. “What is it?” I asked.
“Oh?” Mom said, “that's Mama's quilt.”
I        the quilt. It looked        a group of school children had        it together: irregular designs, childish pictures, a crooked        on the right.
“Grandmother made this?” I said,       . My grandmother was a        at making quilts. This didn't certainly look like any of the quilts she had made.
“Yes, right before she died. I brought it home last year and made some       ,” she said. “I’m still working on it. See, this is        I’ve done so far.”
I looked at it more closely. She had made straight a crooked line. At the center of the quilt, she had stitched a piece of cloth        those words: “My mother made many quilts. She didn't get all line       . But I think this is beautiful. I want to see it finished. Her last quilt.”
“Oh, this is so nice, mom,” I said. It        to me that by completing my grandmother’s quilt, my mother was        her own mother. I realized I held in my hands a family       . It started with the loving hands of one woman, and continued with the loving hands of another,        two generations.

C．embarrassed

D．respectable

D．approaching

名词解释

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