山西省部分市2023-2024学年高二上学期期末英语汇编：七选五

山西省部分市 2023-2024学年高二上学期期末考试英语试题分类汇编 七选五 山西省大同市2023-2024学年高二上学期期末质量监测英语试题 第二节(共5小题；每小题2. 5分, 满分12. 5分) 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。 When gardeners grow varieties of plants in their beautiful gardens, they are happy to see beneficial insects like bees and butterflies surrounding the flowers. But as they take a closer look, they may find some plants are covered in black dots and filled with harmful insects or pests. Some gardeners may immediately reach for chemicals. 36 _________ Although it may stop the insect problem, it will also threaten bees and butterflies which help the plants reproduce. If you are wise gardeners, you should first take preventive measures to control the harmful insects. 37_____________ Only when there are too many harmful insects, should pest control be considered. The first defense should always be the safest method available. Prevention As a rule, prevention is the best treatment. Inspect plants closely, including their leaves, before buying them from the store. 38____________ When planting, space plants out to permit them to grow to their full size. Plants too close together can breed harmful organisms, like bacteria. 39____________ They invite pests if permitted to remain on the ground. When you do see pests, wash them away. Use rubbing alcohol to remove some insects, or pick them off the plants. Pesticides If you decide a pesticide is necessary, choose it carefully and follow the directions and warnings on the product. Avoid using pesticides in extreme heat, on windy days, or when the plants are wet. 40__________ At the time, beneficial insects are inactive. You can consider removing flowers from the plants to lessen the risk that beneficial insects will come in contact with the pesticides. A. But this is not wise. B. In most cases, chemicals don't help. C. Treat the plants early in the morning or at night. D. Also do remember the plants need nutrition and care. E. Keep your garden free of fallen leaves, fruits and