新标准大学英语(第二版)综合教程2 unit3 unit test
A. obvious
B. household
C.
opportunistic
D. offensive
18. The new facial recognition security system _______ knows who
you are and if you have access to the building.
A. anonymously
B. obviously
C.
simultaneously
D.
automatically
19. In the experiment we kept a(n) ________ eye on the developments
and recorded every detail.
A. artful
B. watchful
C. doubtful
D. eventual
20. After my store was broken into, the police officer drove me home
as a _______.
A.
prerequisite