Security cameras have been _________ in the city center.

The tighter _________ measures include video cameras in the city center.

With the improvement of digital imaging technology, digital cameras have taken the place of conventional cameras.

When making modern cameras , people began to _______ plastics for metal.选项错误的是

Smart phones – with cameras and color screens – can ________ images and data using wireless network technology.

Crime has decreased since the security cameras were________. A: deserved B: mimicked C: installed D: determined

The tighter measures include video cameras in the city center. A: security B: secret C: section D: secretary

Please listen to the video in the website on the topic of “Airbnb guests are finding hidden cameras planted in their rentals”and then tell true(T) or false(F) for the following statements ： (00:13-00:30) The company says cameras are "never allowed in bathrooms or bedrooms", and that does stop ill-intentioned hosts from hiding them.

For our new semester, another two phonetic labs will also ________ computers and video cameras for our online language learning.

What has been replaced by new technology? A: the computer stations B: the monitors and screens C: the drills and burs D: the cameras