B．Junk mail is causing big trouble.

　　C．White­collar workers suffer from information overload.

　　D. Better computers are in need in workplaces.

　　解析：主旨大意题。本文是一篇调查报道，结合全文尤其是文章第一段的内容可知本文的主要内容是白领深受信息泛滥之苦。

　　答案：C

　　B卷

　　Ⅰ.完形填空

　　(2017·江苏启东中学摸底考试)Last night, my daughter and I printed out Smile Cards and attached a note to each card saying“Merry Christmas” and “Have a Happy New Year”．We decided to __1__the cards into part of a neighborhood tag game, in which cards must be __2__to someone else in the neighborhood with a piece of paper __3__them Happy Holidays too.

　　We __4__plenty of cards around our neighbourhood in the dark so no one would see us.

　　I was __5__when I saw my neighbor run up my driveway the next morning after her child got on her bus with a piece of paper in her hand.It was one of our Smile Cards — we got one back! That afternoon when I was __6__my mailbox, our eldest neighbor, maybe around 80 years old, __7__at my mailbox with her friend. She said，“Here, honey, I have__8__for you”， and then she __9__me one of our “Smile Cards” and said “tag you're it”. We got another one back!

　　I __10__talking with her. She said she had one __11__this Christmas, that she would be able to __12__for her family this year, but __13__， she could not __14__the ham on her fixed __15__.I told her I had something for her. I went in and __16__a ham, a bag of potatoes and some cans of green beans, put them in a bag and gave them to her. She said, “I can't take this.” __17__I insisted，“You tagged me, now here is me paying it forward, and you can tag someone else because now you're it！”

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