【单选题】如果你的同学忘了收起个人日记,你会( )
【判断题】我国的举国体制主要的经济来源是政府财政收入。
【简答题】考虑将图3-2(a)中的积木形式转出3-2(b)中的积木形状这一问题,可以使用的操作符有PICKUP、PUTDOWN、STACK、UNSTACK。用爬山法求解这一问题有解吗?为什么?
【单选题】When leaving the lab, the door is locked.
【单选题】她自学了四门外语,并且去过很多地方旅游。
A.
Remember to turn of the lights and air conditioner when you are leaving the lab.
B.
She traveled to many places as she taught herself four foreign languages.
C.
She taught four foreign languages and traveled to many places.
D.
She taught herself four foreign languages and traveled to many places.
【判断题】( )世界上第一次以和平游览观光为目的的旅游活动是公元1490年埃及霍兹海贝赛女王访问旁特(今索马里境内)地区。