(1) Sentence structure The selection consists of three sentences, of which the first is a simple sentence while the two others are complex sentences. The second sentence is composed of a main clause and an adverbial clause of reason while the third sentence is composed of a main clause and an attributive clause(1) Sentence structure： • The selection consists of three sentences, of which the first is a simple sentence while the two others are complex sentences. The second sentence is composed of a main clause and an adverbial clause of reason while the third sentence is composed of a main clause and an attributive clause