下列划线字注音完全正确的一组是（　　　　）

    It is interesting to visit another country, but there are some problems when we don't know the 1very well.It may be 2 to talk with the people there. We may not know how to use the telephone in the country that we are visiting. We may not know how to buy 3 we need. In a4country we might not know where to eat or what to order in a 5 It is not easy to decide how6to tip (给……小费) waiters or taxi drivers. When we need help, we might not know how to ask for help.It is not pleasant to have an experience7that. 8a short time, however, we learn what to do and what to 9We learn to enjoy life in another country and then we may feel 10 because we have to leave.

如图所示，把小磁针放入一个匀强磁场中，小磁针静止时N极的指向是(    )

如图是一个正方体纸盒的展开图，其中的六个正方形内分别标有数字“0”、“1”、“2”、“5”和汉字、“数”、“学”，将其围成一个正方体后，则与“5”相对的是（　　）