What should one pay attention to during traveling England?
A. If you need help, please turn to your teachers.
B. The traffic moves on the left side of the road in this country.
C. It is against the law for anyone to buy cigarettes or tobacco.
在学生表STUD中,查询既不是信息系'IS'、数学系'MA',也不是计算机系'CS'的学生的姓名 (XM)和性别(XB)。SD为系名。实现该功能的正确SQL语句是()。
A. SELECT XM, XB FROM STUD WHERE SD IN ('IS','MA','CS');
B. SELECT XM, XB FROM STUD WHERE SD NOT 1N ('IS','MA','CS');
C. SELECT XM, XB FROM STUD WHERE SD NOT ('IS','MA','CS')
D. SELECT XM, XB FROM STUD WHERE SD NOT IN (IS, MA, CS);
转关运输的进口货物,如属许可证管理商品,其许可证应按下列哪种规定交验()
A. 应在办理转关运输手续时,直接向指运地海关交验
B. 应在办理进口手续时,直接向指运地海关交验
C. 应事先向指运地海关交验,经审核后由指运地海关核发“进口转关运输货物联系单”封交进境地海关
D. 在办理转关运输和进El手续时,分别向进境地海关和指运地海关交验