阅读下面短文，按照句子结构的语法性和上下文连贯的要求，根据首字母填空或者根据题中空格后的中文提示填空。 Advertisements, c{#blank#}1{#/blank#} of two main types, are all around us. A(n) {#blank#}2{#/blank#} (商业的）advertisement is one people have paid for to advertise a product or a service while a public service advertisement is made for free to teach us and help us lead better lives, which is b{#blank#}3{#/blank#} to the public.
The type of language used in advertisements is very {#blank#}4{#/blank#} (独特的）.For example,most adjectives in advertisements have positive meanings so that they can help the {#blank#}5{#/blank#} (观众）remember the products the advertisements p{#blank#}6{#/blank#}.
Advertising dates back to the Christian Era（公元）.One of the first known methods of advertising was outdoor signs,which would be painted on the wall of a building and were usually {#blank#}7{#/blank#} (引人注目的）.Archaeologists(考古学家）have found signs in the ruins of ancient Rome and Pompeii,a city which was completely d{#blank#}8{#/blank#} by the volcano {#blank#}9{#/blank#} (爆发）near the city in AD79.
Nowadays, advertisements appear in many types of media(媒体）,making it more c{#blank#}10{#/blank#} for people to get information.But some false and irrelevant(不相关的）advertisements appear in our lives.So we should rationally(理性）deal with advertisements.
