资料：Above the line promotion uses mass media such as the press,radio,television,cinema or poster sites. This type of promotion is usually paid for. Each of the possible media methods can be used to target audiences in different market segment. There are both strengths and drawbacks to these forms of media:
UNISON embarked on a wave of television, internet and newspaper adverts for the million voices campaign. They wanted that the vital services provided by public sector workers could disappear if the funding cuts sent ahead. The adverts featured a lot of vital public service jobs fading out of sight and featured the tagline. Don't wait until they're gone to defend them. A powerful
campaign film was also released that illustrated how local communities would be affected by cuts. A version of this film aimed at recruiting members to UNISON was shown on television using DRTV. The online and newspaper adverts linked back to the campaign website where people can register their support and add a comment.
Which of the following is not true about these forms of media?
本题考查的是细节理解。
【关键词】not true; these forms of media
【主题句】第1自然段Above the line promotion uses mass media such as the press, radio, television, cinema or poster sites. This type of promotion is usually paid for. Each of the possible media methods can be used to target audiences in different market segment. There are both strengths and drawbacks to these forms of media: 上文线上推广使用大众媒体，如新闻、广播、电视、电影或海报网站。这种促销方式通常是有偿的。每一种可能的媒体方法都可以用来针对不同市场的受众。这些媒体形式既有优点也有缺点：
【解析】本题的问题是“关于这些媒体形式，下列哪一项不正确？”。选项A意为“很难评估一场活动的有效性”；选项B意为“媒体通常很贵”；选项C意为“针对特定的受众”；选项D意为“可能会产生直接的影响”。根据主题句可知，A、C、D选项均是正确的，故选B。
下列关于公司的表述，正确的是（）
以下各项列举了我国常见气象灾害与其发生地区的对应关系，其中正确的一项是（）
根据电视收视率调査，看体育节目的观众中青年人比中老年人要多。
由此可推断出（）
—种海洋蜗牛产生的毒素含有多种蛋白，把其中的一种给老鼠注射后，会使有两星期大或更小的老鼠陷入睡眠状态，而使大一点的老鼠躲藏起来。当老鼠受到突然的严重威胁时，非常小的那些老鼠的反应是呆住，而较大的那些老鼠会逃跑。
以上陈述的事实最有力地支持了以下哪项假说？（）
疾病控制中心对某校髙中三个年级的学生进行抽样做视力状况调查，抽样的方法为分层抽样（按比例抽样），若高中一、二、三年级学生人数分别为626、703、780，样本容量为84，则应从离二年级抽样的学生人数为多少？（）
