Tom, have you ever read the book《A Tale of Two Cities》 ____ by Charles Dickens ?
Yes ,I finished reading it last winter vocation.( )
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河里游动的虾,树上鸣唱的知了,都属于节肢动物的理由是()
节肢动物和环节动物的相似之处是()
在蚯蚓的身体上涂抹凡士林(润滑隔水),然后将其放在纸板上,蚯蚓将()
下列不属于软体动物的是()
蛔虫感染人体的途径是()