游戏中，儿童把冰棍棒当注射器或拿椅子当马骑，这种游戏是（） ["感觉运动游戏","象征性游戏","结构游戏","规则游戏"]
Which of these is the best way to convince a prospect of the benefits of the S-Series？（） [" show them independent tests and reviews"," describe the theory of operation and system internals"," give a Microsoft PowerPoint presentation"," give a demonstration that could lead to an evaluatio"]
犯罪时怀孕的妇女，无论犯了多么严重的罪，最高可以判处（）。 ["死刑立即执行","死刑缓期二年执行","无期徒刑","有期徒刑15年"]
一般常用（）和（）法测量三相电路的无功功率。
象征派的主要诗人除李金发外，还有后期创造社的三诗人王独清、（）和冯乃超。
试述购买行为的特征？
