B. The seeds are easy to plant and unnecessary to sort.
C. They want to share their own harvest with their parents.
D. Sunflowers don’t need too much soil fertilizer.
【解析】
试题分析:本文主要教人们如何种植向日葵。
38.A主旨要义题。根据短文However, planting the sunflower seeds is a skilled job.可知种植向日葵是一件技术活,本文主要讲的是如何种植向日葵,故选A。
39.C细节理解题。根据This allows ripe plants enough space for the seed heads to ripen without knocking the ripe seeds off before gardeners have a chance to harvest them.可知这是为了在收割之前保护成熟的向日葵花盘,故选C。
40.B细节理解题。根据短文Most sunflower seeds, especially those with eatable seeds, are large enough to handle without the need for seed sorters. 可知这是因为向日葵的种子大,容易收集也容易种植,故选B。
考点:考查科教类短文阅读
第二节(共5小题;每小题2分,满分10分) 【湖北省龙泉中学、襄阳五中、宜昌一中2016届高三9月联考】
根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Today our life and work rarely feel light or pleasant. Instead, the whole experience of being alive begins to melt into one enormous obligation(责任).
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