6×(1+13),
=6×43,
=8(米);
答:乙绳长8米.
故答案为:错误.
A small network may only connect two computers inside a home to share a single printer and Internet (69)
A. connect B. connecting C. connection D. connective
关于月经周期中,生殖激素的变化不正确的是
A.经前2天,血E2、P水平下降B.经期2天,FSH升高、LH脉冲分泌频率增快C.在LH峰出现后,血P浓度下降D.排卵后,E2、P升高E.孕激素抑制GnRH分泌频率