继承开始后，由第一顺序继承人继承，第二顺序继承人不继承。[ ]
√
Teenagers think they _____ to choose their own clothes. [ ]
A. allowed
B. are allow
C should allow
D. should be allowed
电子皮带秤常用校验方法不对的是（）。
A.实物校验
B.挂码校验
C.链码校验
D.跑盘校验
