标签：话题作文 话题 高考英语作文
字数：700字
提要：Space Pens :$34.95Imagine a pen that works in whatever conditions, from wet paper to writing upside down. Sounds impossible, doesn't it? Not when you've got a Space Pen!These amazing pens have a great history of being approved for use in space, since they effortlessly write in the gravity free vacuum of space, and at any angle. They can also write in extreme 'heat and cold temperatures (from -50~C..