下列哪种方法是绝育措施（）
A.药物避孕
B.男用避孕套
C.体外排精
D.安全期避孕
E.双侧输精管结扎及粘堵术
参考答案：E
生字开花。（组词）
浅（ ）（ ）（ ） 穿（ ）（ ）（ ）
The newly built café, the walls of _____ are painted light green, is really a peaceful place for us, specially after
hard work. [ ]
A. that
B. it
C. what
D. which
