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【单选题】
Concerning the nerve supply to the urinary bladder, the following statements are true exceptA.
The sympathetic postganglionic fibers originate in the first and second lumbar ganglia.
B.
The parasympathetic postganglionic fibers originate in the inferior hypogastric plexuses.
C.
The afferent sensory fibers arising in the bladder wall reach the spinal cord via the pelvic splanchnic nerves and also travel with the sympathetic nerves.
D.
The parasympathetic preganglionic fibers arise from the second, third, and fourth sacral segments of the spinal cord.
E.
The parasympathetic postganglionic fibers are responsible for closing the vesical sphincter during ejaculation.
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举一反三
【简答题】甲企业与乙运输公司签订了货物运输合同，在合同履行过程中，甲企业未按合同内容履行合同，乙运输公司将其货物留置，则债务人应当在不少于（ ）个月的期限内履行债务。否则债权人可依法拍卖、变卖该批货物。
【单选题】It’s very late at night, ____ our teacher is still working .
A.
and
B.
but
C.
or
D.
so
【单选题】It’s late at night, but she is_____doing her homework
A.
already
B.
still
C.
yet
D.
ever
【单选题】It’s not good for young students to stay ____ late at night.
A.
off
B.
in
C.
out
D.
up
参考解析：
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