UP V 16

Question 1

detect

verb

Answer 1

to notice something that is partly hidden or not clear, or to discover something, especially using a special method:
Some sounds cannot be detected by the human ear.
Financial experts have detected signs that the economy is beginning to improve.

Question 2

highlight

verb

Answer 2

B2
to attract attention to or emphasize something important:
The report highlights the need for improved safety.
The spelling mistakes in the text had been highlighted in green.
Synonym: foreground

Question 3

security

noun

Answer 3

B1
protection of a person, building, organization, or country against threats such as crime or attacks by foreign countries:
The station was closed for two hours because of a security alert.
30 demonstrators were killed in clashes with the security forces over the weekend.

Question 4

verify

verb

Answer 4

C1
to prove that something exists or is true, or to make certain that something is correct:
Are you able to verify your account/allegation/report/theory?
These numbers are surprisingly high and they’ll have to be verified.
[ + (that) ] Under interrogation, she verified (that) the tapes were authentic.

Question 5

infrastructure

noun

Answer 5

C1
the basic systems and services, such as transport and power supplies, that a country or organization uses in order to work effectively:
The war has badly damaged the country’s infrastructure.