简要说明广播广告的语言特点。
（1）通俗化。 （2）口语化。 （3）亲切。（4）响亮。（5）节奏感强。（6）必要的重复。
Complete the following sentence with a (compound) word derived from the one(s) given in bracket.
A climate that is extreme in temperature, whether it be too hot or too cold, is not （ ）. (desire)
