A．Produce your student card or identity card when borrowing books. Borrow
only two books at a time. B．Do not move the desks or chairs about. Close the
windows when leaving. C．Protect public property. Do not scribble on the pages
of books or tear them out. Pay the cost price for any damage done. D．Keep
quiet and pay attention to cleanliness. E．Do not talk or laugh loudly; do not
smoke or drink tea; do not litter the floor with waste paper. F．Spit only in
the places designated. G．Let the readers and librarians help each other and
jointly run the reading room well. H．Read and study seriously and be
concerned about world affairs. ( )不准随地吐痰。