Question 1

complex

Accepted Answer

sophisticated

Question 2

using or spending too much

Accepted Answer

wasteful

Question 3

having nothing to do with the subject

Accepted Answer

irrelevant

Question 4

something that is expensive

Accepted Answer

costly

Question 5

send

Accepted Answer

beam

Question 6

to change something to make it false

Accepted Answer

distort

Question 7

to send out

Accepted Answer

emit

Question 8

seriously

Accepted Answer

in earnest

Question 9

an amount of sound that is produced by something for a short time

Accepted Answer

pulse

Question 10

a person or thing regarded as very good

Accepted Answer

wonder

Question 11

being the only one of its kind

Accepted Answer

unique

Question 12

a person who identifies problems or questions for investigation

Accepted Answer

researcher

Question 13

indicate

Accepted Answer

point out

Question 14

to encounter something

Accepted Answer

be faced with

Question 15

become succesful

Accepted Answer

take off

Question 16

the outside part of uppermost layer of something

Accepted Answer

surface

Question 17

reduce energy

Accepted Answer

degrade

Question 18

one who comes next

Accepted Answer

successor

Question 19

very unusual

Accepted Answer

extraordinary

Question 20

decide

Accepted Answer

determine

Question 21

extend

Accepted Answer

spread out

Question 22

a short high sound, sonar echo

Accepted Answer

ping

Question 23

pointed out

Accepted Answer

highlighter

Question 24

put forward

Accepted Answer

suggested

Question 25

returned

Accepted Answer

bounced off

Question 26

calculated

Accepted Answer

worked out

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