(1.25-1)÷1.25,
=0.25÷1.25,
=20%.
答:乙数比甲数少20%.
故选C.
根据中文提示写出单词或词组,使句意完整、正确。
— Which sport will you take part in?
—The ___小题1:____(男子) 800-meter race.
— Let’s __小题2:__(约定)it half past six.
— OK!
— How often do you walk to school?
—___小题3:__ (一次) a week.
—Mom, look! Dad is on TV!
— I’m ___小题4:__ (就来).
— Excuse me, may I _____小题5:_(借)your storybook, sir?
— Of course. Here you are.
女性青春期的生理特点有:()
A.月经初潮是青春期的标志
B.青春期后卵巢表面变得凹凸不平
C.第二性征发育
D.月经初潮后的5年内为无排卵性月经
E.此期初步具备生育能力,但整个生殖器官发育尚未完善