Abbreviation, acronym, Multi-word expressions, Words mispronounc

The development of ______ in marine exploration has significantly advanced underwater navigation, allowing researchers to detect submerged objects through sound waves instead of relying solely on visibility.

• radar

• laser

• sonar

• satnav

Unlike traditional systems that rely on electromagnetic waves, ______ is used in military aircraft to detect enemy movement through reflected radio signals, providing an early-warning mechanism against potential threats.

• laser

• radar

• sonar

• pneumatic

Advancements in ______ surgery have enabled medical professionals to perform minimally invasive procedures by using high-energy beams to precisely target affected tissue while minimizing collateral damage.

• laser

• sonar

• high-tech

• subtle

The advent of ______ suits allowed deep-sea divers to remain underwater for extended periods without depending on surface-supplied oxygen, fundamentally transforming marine research and underwater construction.

• pneumatic

• sonar

• scuba

• high-tech

In modern urban planning, ______-controlled tools are frequently used to provide compressed air-powered systems that enhance automation efficiency, particularly in heavy machinery and high-speed manufacturing.

• pneumatic

• high-tech

• radar

• carbs

Despite technological advancements, long-haul truck drivers still rely heavily on ______ to navigate complex road networks efficiently, reducing fuel consumption and improving route optimization.

• satnav

• air con

• PTO

• receipt

During the intense heatwave, businesses saw a sharp increase in the sale of ______ units, as consumers sought immediate relief from soaring temperatures without resorting to large-scale cooling systems.

• receipt

• air con

• sonar

• RSVP

After receiving a Nobel Prize in ______, the distinguished researcher was recognized for her groundbreaking work in neural disorders, which reshaped contemporary psychiatric treatment methods.

• debtor

• psychiatry

• womb

• carbs

Following the billionaire’s sudden passing, legal disputes arose among his children and distant relatives, each claiming to be the rightful ______ to his vast financial empire.

• debtor

• womb

• heiress

• heir

Following the tragic accident, a memorial was erected at the crash site with the inscription “______” to honor those who had lost their lives.

• RSVP

• RIP

• PS

• PTO