【单选题】According to this article, we
A.
often think seriously when we are dreaming.
B.
hardly ever hear music when we are dreaming.
C.
very often feel something tastes good when we are dreaming.
D.
almost always see different 'pictures' when we are dreaming.
【多选题】当工资率下降,收人效应和替代效应的关系为()。
D.
替代效应小于收人效应时,工作时间增加人的补工奔王通
E.
替代效应小于收人效应时,工作时间不变 欢医费干关候下
【单选题】According to news report, personal ______ of guns in the USA causes a lot of trouble.
【多选题】当工资率下降,收入效应和替代效应的关系为()。
【单选题】According to the text, which of the following people riding in the front do nothave to wear a seat belt ? ( )
A.
Someone who is backing into a parking space.
B.
Someone who is picking up the children from the local school.
C.
Someone who is delivering invitation letters.
D.
Someone who is under 14.
【单选题】雨雪水流的地质作用将高处岩石风化产物缓慢地洗刷剥蚀,顺着斜坡向下逐渐移动,沉积在平缓的坡脚,这种搬运和堆积方式形成的土称为
【单选题】雨雪水流的地质作用将高处岩石风化产物缓慢地洗刷剥蚀,顺着斜坡向下逐渐移动,沉积在平缓的坡脚,这种搬运和堆积方式形成的土称为
【单选题】According to the author, gambling may lose its fascination if we
B.
do not take it so seriously.
C.
organize more other activities.
D.
help develop an interest in other activities.