Bộ 5 đề thi giữa kì 2 Tiếng Anh 12 Global Success có đáp án (Đề 1)

The security system employs _______ recognition technology to grant access authorised personnel.

6/40

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

The security system employs _______ recognition technology to grant access authorised personnel.

self-driving

interactive

virtual

facial

Giải thích

Chọn D