IELTS 5.5 - DAY 21 READING 9B

the part of mathematics that involves the adding and multiplying etc. of numbers

correct, exact, and without any mistakes

the state of feeling healthy and happy

a cell that sends and receives messages to and form the brain

parts inside the body that carry messages between the brain and other parts of the body

all the nerves in the body that make moving, feeling pain, feeling heat, etc. possible

Many people use their ​ (a)   to help them ​ (b)   with others. And having a ​ (c)   of relationships is also important in keeping the brain ​ (d)   .

• electronic devices
• stay in contact
• network
• working well

Music is ​ (a)   to have a ​ (b)   impact on ​ (c)   and ​ (d)   .

• known
• positive
• feelings of happiness
• well-being

Technology ​ (a)   a ​ (b)   and easy way for people to ​ (c)   what ​ (d)   there are in ​ (e)   .

• provides
• quick
• check
• nutrients
• specific foods

Exercise must be ​ (a)   enough to be ​ (b)   . People can use technology like ​ (c)   to check that they are exercising at the​ (d)   .

• energetic
• effective
• heart monitors
• right level