Now people can pay by scanning（扫描）their faces while shopping． Is it（1） to pay by scanning other parts of our bodies？ Amazon has a new technology that scans（2） ．
The technology can tell if the person is the right one by scanning his or her hand． The scanner examines things such as finger prints． It then sends a picture to a certain center which can decide who the person is．
In September 2019， Amazon made a payment system for a US supermarket． People can pay （3） by scanning their hands under a machine． Their hand scan is connected to their bank cards， so they can pay successfully． It's quite convenient， especially for（4）___ people． With this new technology， people（5） take their cards with them． They just scan their hands．
（1）A． possible |
B． important |
C． strange |
（2）A． eyes |
B． faces |
C． hands |
（3）A． usually |
B． simply |
C． really |
（4）A． old |
B． poor |
C． smart |
（5）A． mustn't |
B． can't |
C． needn't |
Mr．Smith，do you think teenagers must be kept away from the Internet？
No，I with this．The internet can help learn more about the world．（agree）
There are ways to stay healthy when seasons change．You should wash your hands ，exercise，eat and sleep well．（careful）
The world's first computers were than cars．（big）
Wow!They used to be so large．
How long does it take you to get to school？
About 20 by subway．（minute）
We can read about everything in books．They provide hope to ．（we）