Insect pests are among the leading causes of crop failure.
A、expectedB
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An oversight 遗漏 (miss, overslaugh) in proofreading often results in printed errors.
MaryMcCarthyssatires讽刺文学arecouchedinaprosestylethathasaclassicprecision.
The flower bud of a water lily 百合 opens at sunset since .its opening is triggered(commence) .by the decreased light.
With the acquisition of smaller companies by larger ones, the 1960's saw a wave of new conglomerates.
Eyespots, the most rudimentary eyes, are found in protozoan原生动物 flagellates 鞭毛虫 , flatworms 扁形虫 , and segmented worms片段 蠕虫 .
