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[主观题]
The pessimism and deterministic ideas of naturalism pervaded the works of such American writers as___________ .
A. Stephen Crane
B. Benjamin Frank Norris
C. Jack London
D. Henry James
E. Theodore Dreiser
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A. Stephen Crane
B. Benjamin Frank Norris
C. Jack London
D. Henry James
E. Theodore Dreiser
A.-A+B*C/DE
B.-A+B*CD/E
C.-+*ABC/DE
D.-+A*BC/DE
同一桁架在下图所示两种荷载作用下,哪些杆件内力发生变化?()
A.仅DE杆
B.AC、BC、DE杆
C.CD、CE、DE杆
D.所有杆件
已知一算术表达式的中缀形式为A+B*C-D/E,后缀形式为ABC*+DE/-,其前缀形式为()。
A.一A+B*C/DE
B.-A+B*CD/E
C.-+*ABC/DE
D.-+A*BC/DE