what organizational pattern would probably be most effective for arranging the main points of a speech with the specific purpose “to inform my audience about three major ways to block junk mail from their e-mail system”?
圆锥回转面上的b点，已知其主视投影，俯视投影，可以利用三等规律求出其第三面投影（侧视投影）
标准普通圆柱蜗杆传动的中心距为a=m(z1 z2)/2。()
执行语句“year(‘1982-11-02’)”结果为()
课堂提问具有的特殊心理功能有：获取教学的反馈信息﹔激发学生积极主动思维﹔调控课堂。()
与发动机发火次序有关的是()
泥塑的晾干应避免太阳直晒
关于滤波器的实现，以下哪一项说法是错误的？
the following are the functions of an effective beginning of a speech except ______.
读取二进制文件的函数调用形式为：fre
在c/s结构的web应用程中包括哪些组件?()
impromptu speech is ______ than a prepared speech for it happens on the spot.