在Windows中，文件夹是指（）。 ["文档","程序","磁盘","目录"]
在作用水头相同的条件下，孔口的流量系数比等直径的管嘴流量系数大。
在冷凝器内，制冷剂从（）变成（）。
柔性路面在荷载作用下产生的变形与强度的特点是（）。 ["弯沉变形大、抗弯强度大","弯沉变形小、抗弯强度小","弯沉变形大、抗弯强度小","弯沉变形小、抗弯强度大"]
An index-organized table （IOT） called SPARSE has had many records deleted. Which command reorganizes the IOT so that the empty space is removed， while minimizing the impact for users？（） ["EXPORT with TABLES and IMPORT with the INDEX and IGNORE options.","ALTER TABLE … COALESCE ；","ALTER INDEX …REBUILD ONLINE；","CREATE TABLE …AS SELECT_ONLINE；"]
防止人体因静电带电方法有哪几种？
