题目

甲、乙两个物体沿同一直线向同一方向运动时，取物体的初速度方向为正方向，甲的加速度恒为2m/s2，乙的加速度恒为-3m/s2，则下列说法中正确的是（ ）.A.两物体都做匀加速直线运动，乙的速度变化快B.甲做匀加速直线运动，它的速度变化慢C.乙做匀减速直线运动，它的速度变化率大D.甲的加速度比乙的加速度大Diamonds may be forever. But what’s a girl to do when she gets dumped (失恋) or divorced (离婚) and those rings, necklace and love gifts lose their emotional (情感) sense?Help is just a click away on new Web sites that provide an outlet for selling jewelry(珠宝) from past relationships, sharing break-up stories and helping broken hearts heal (愈合).“You go through a divorce. What do you do with that ring? Maybe you have a child you can pass it on to. Maybe you don’t. It just sits there, ” said Megahn Perry, who with her stepmother (继母) Marie Perry runs www.exboyfriendjewelry.com.Three months after its start with the slogan(口号) “You Don’t Want It. He Can’t Have It Back,” the web site has 3,000 registered users and more than 600 postings of rings, bracelets and earrings for sale—all with a personal tale attached.As one woman posting a diamond ring for $3,500 wrote:“Beautiful ring came with a wrong man. Decided to sell to regain the money that I spent finishing payments on the ring that my ex didn’t.”The idea was born when Megahn Perry, a Los Angeles actress and writer, was looking for a safe place to sell a wedding set after a divorce and realized others might have former boyfriends’ jewelry with memories(记忆) that make them too painful to wear.The local pawn shop(当铺) proved an unattractive choice. So she teamed up with her stepmother Marie, researched the market and found a gap in it. 【小题1】 The passage is mainly about _____.A．how a web site is set upB．how sad the love stories areC．How much a website can makeD．How many people like the web site【小题2】How long is it since the start of this website?A．Less than three months.B．At least three months.C．Less than one month.D．Not known.【小题3】How many people have registered on this website within three months?A．About 600.B．About 3,000.C．About 3,500.D．Not know.【小题4】Who set up this website?A．Megahn herself alone.B．Megahn and her best friend.C．Megahn and her stepmother.D．Megahn and her exboyfriend.【小题5】What’s the meaning of the underlined word “gap” in the last sentence?A．Gulf between two people.B．Misunderstandings among each other.C．Differences from a pawn shop.D．A market worth developing.