— your CDs?
—On the TV. [ ]
A. Were
B. Where's
C. Where are
D. What are
答案:C
性激素对下丘脑一垂体的反馈,正确的是()
A.雌激素-负反馈,孕激素-正反馈
B.雌激素-正反馈,孕激素-负反馈
C.雌激素-负反馈,孕激素-负反馈
D.雌激素-正、负反馈,孕激素-负反馈
E.雌激素-负反馈,孕激素-正、负反馈
Instrumental leaders cultivate a more personal relationship.