Jumpingspidersarevitalforagriculturepestcontrol,and 41 ...
问题详情:
Jumping spiders are vital for agriculture pest control, and 41 species can even learn to distinguish the color red in their prey(猎物), a 2015 study 42 (show). They are able to learn to associate this color 43 poisonous prey and avoid it or find out high quality prey.
Jumping spiders will consume almost any small pests, 44 (range) from caterpillars to flies. Not only does this 45 (natural) reduce the amount of agricultural damage from insect pests, but it means farmers can avoid using chemical treatments 46 (protect) their crops.
In total, a large number of jumping spiders, over 5,000 species, 47 (find) on every continent except Antarctica by now. Being able to adapt to the environment is a key evolutionary skill. Since the spiders are able to distinguish 48 foods are nutritious, from those that are 49 (harm), they can stay alive longer and manage a wide 50 (various) of pests.
【回答】
41.the
42.showed
43.with
44.ranging
45.naturally
46.to protect
47.have been found
48. which
49.harmful
50.variety
知识点:语法填空
题型:未分类
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