情景交际

A:   1     2   lessons do you have a day? 

B:Five. 

A:   3   is your favourite   4  ? 

B:   5    favourite lesson is art. 

A:   6   do you like art? 

B: Because   7   interesting. 

A:   8   is your art teacher? 

B: My art teacher is Mr.Liu. 

A:   9   old is he? 

B: He is thirty. 

A: Where does he live? 

B: He   10   at the school. 

关于胎膜早破的预防正确的有

A．预防和治疗生殖道感染

B．妊娠晚期禁止性交

C．避免负重

D．及早纠正胎方位异常

E．宫颈内口松弛者卧床休息到足月