unit 19

Question 1

astrology

Answer 1

n. Astrology is the study of the stars in the belief that they influence people’s lives. Jack’ who studies astrology’ believes that the stars can predict the future.

Question 2

couple

Answer 2

n. A couple is made of two things that go together. There were a couple of problems I had to solve.

Question 3

deviate

Answer 3

v. To deviate is to move away from your proper course. Very few deviate much from the average.

Question 4

differentiate

Answer 4

v. To differentiate things or people is to show the difference between them. It was hard to differentiate between the identical twins.

Question 5

disrupt

Answer 5

v. To disrupt something or someone is to prevent them from working. The loud crash disrupted the class lecture.

Question 6

equation

Answer 6

n. An equation is a math operation to determine the value of something. I used the Pythagorean theorem to solve the equation.

Question 7

err

Answer 7

v. To err means to make a mistake. The pilot erred in his estimate of the time it would take to make the trip.

Question 8

erroneous

Answer 8

adj. When something is erroneous’ it is incorrect or only partly correct. The child held the erroneous belief that time machines were real.

Question 9

frantic

Answer 9

adj. If people or things are frantic’ they behave in a wild way because they are frightened. The cat became frantic when I tried to give it a bath.

Question 10

inadvertent

Answer 10

adj. When an action is inadvertent’ it is done without realizing what you are doing. She made an inadvertent error when she knocked over the nail polish.

Question 11

improvise

Answer 11

v. To improvise something is to do it with whatever is available or without planning. There was no meat for the pizza’ so we improvised with what was in the fridge.

Question 12

latitude

Answer 12

n. The latitude of a place is its distance from the equator. The device was able to tell the traveler his exact latitude.

Question 13

mariner

Answer 13

n. A mariner is a sailor. The old mariner used his telescope to find the shore.

Question 14

multitude

Answer 14

n. A multitude of things or people is a very large number of them. A multitude of people were waiting at the airport.

Question 15

nuisance

Answer 15

n. A nuisance is a person or thing that is annoying or causes a lot of problems. The teenager considered her noisy little brothers to be quite a nuisance.

Question 16

permanence

Answer 16

n. The permanence of something is its ability to last forever. Poor results threaten the permanence of the new system.

Question 17

revolve

Answer 17

v. To revolve around something is to keep it as the main feature or focus. My life revolves around sports.

Question 18

soothe

Answer 18

v. To soothe means to calm someone who is angry or upset. The mother soothed her crying baby by rocking him in her arms.

Question 19

stranded

Answer 19

adj. If someone is stranded’ they are prevented from leaving a place. When the plane left’ my sister and I were stranded in China.

Question 20

technique

Answer 20

n. A technique is a way of doing something. There are a lot of teaching techniques that are well supported by research.