题目内容：

Texting while walking is something that most of us are guilty of．We can’t help 1.(reply)to that message we just received．However，while it’s fun to keep up to what’s going on，we may actually put 2. (we)in danger．

A team of researchers from UK recently found people 3. use their phones while on the move walk differently．During the research，a group of 21 volunteers 4.(ask)to walk around a street with obstacles(障碍物)such as a step．5. volunteers traveled the course a total of 12 times each，either writing or reading a message，making a call，or with no phone at a11．It took the volunteers 118 percent 6. (1ong)to complete the course while using a phone．They also paid attention to the travel path 51 percent more when they weren’t using a phone．“Although there 7.(be)no accidents，we should still be aware 8.what’s going on around us，”according to Matthew Timmis，co—author of the study．The big risk is suddenly—appearing situations，like someone suddenly walking in front of you．You are not going to be able to respond to that 9. (swift)enough，so you may injure yourself or get injured．In a word，these hidden 10. (danger)of texting while walking should be recognized to avoid injuries．