(1)Sentence structure The selection consists of five sentences of which the first is in a simple sentence the second is a complex sentence, composed of a main clause and an object clause the third is again a simple sentence the fourth is a compound sentence composed of two coordinate clauses but the subject of the first coordinate clause has an attributive clause embedded; and the last is a simple sentence, followed by an appositive nominal phrase, in Which there is an attributive clause embedded For this reason, the fourth can be regarded as a compound complex sentence and the last can be regarded as a complex sentence(1) Sentence structure： • The selection consists of five sentences, of which the first is in a simple sentence; the second is a complex sentence, composed of a main clause and an object clause; the third is again a simple sentence; the fourth is a compound sentence, composed of two coordinate clauses, but the subject of the first coordinate clause has an attributive clause embedded; and the last is a simple sentence, followed by an appositive nominal phrase, in which there is an attributive clause embedded. For this reason, the fourth can be regarded as a compound complex sentence and the last can be regarded as a complex sentence