进口食品的承运者应在取得检验检疫机构的通关单后方可向海关报关。( )
参考答案:对
属于主承托区
A.上颌牙槽嵴 B.磨牙后垫 C.切牙乳突 D.颊侧前庭 E.粘液腺导管开口
Rober is just one young oversea Chinese _____has come to visit his ancestor’s homeland.
A.who
B.where
C.when
D.which