（D）21. Where will the camera be installed?思路：To have the camera installed in the back of his head, Iraqi-born Wafaa Bilal had to undergo a painful surgical procedure to tuck the camera firmly under his scalp.为了将照相机安装在他的头上，伊拉克出生的Wafaa比拉尔不得不接受痛苦的外科手术把相机放在他的头皮。 （C）22. What will the artist do with the camera?思路：The images ...
