According to Rene Wellek, literary studies can be divided into_ and __（）
A. formal research and aesthetic research
B. internal research and external research
C. cultural criticism and narrative research
D. textual research and contextual research
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Of the following four English poets, which one does not belong to the second generation of Romantic poets？_（）
A. John Keats
B. Lord Byron
C. William Wordsworth
D. Percy Bysshe Shelley
All of the following are among Keats’s great odes of 1819, EXCEPT ____（）
A. “Ode on Melancholy”
B. “Ode to a Nightingale”
C. “Ode to the West Wind”
D. “Ode on a Grecian Urn”
Realist fiction becomes popular in English literature in the ____（）
A. 17th century
B. 18th century
C. 19th century
D. 20th century
多选Most polymers are flammable in their pure form, except___（）
A Poly（vinyl chloride）
B Polystyrene
C Polytetrafluoroethylene
D Polyimide
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