卵巢内有卵泡发育成熟，子宫内膜会产生何种变化()
A．增生期变化
B．分泌期变化
C．月经期变化
D．月经前期变化
E．蜕膜变化
参考答案：A
— John seems happy, even though his wife left him and he lost his job.
— I think he________to put on a brave face.[ ]
A . will try
B. has tried
C. tries
D. is trying
警察：安全
A．太阳：温暖
B．酒吧：娱乐
C．乞丐：流浪
D．飞机：战争
