What is the author’s purpose of writing the text?

(单选题)From the passage, in the picture children drew many things e (单选题)The next World Cup will be held in ______. (单选题)If a country wants to take part in the World Cup, she must h (单选题)The flowers need ______ . (单选题)Always read the ______ on the bottle carefully and take the (单选题)This kind of computer ______ here, for it’s cheap and fashio (单选题)It was on that cold morning ______ he realized how important (单选题)Today, people are still wasting water ______ international a (单选题)—Listen! Is that Kate playing the piano in the room?—No. It (单选题)When I went to say goodbye to Anna, she ______ the piano.