Listen to the sentences and complete them with the correct word or words (there will be between 1 and 4 missing).
Spelling is important both in the OET and in your working lives, and this exercise will help you to improve.

The drug has a high affinity for the target receptor.
Stress can be a trigger for certain health conditions.
The electron microscope provides high-resolution images.
The study will comprise participants from diverse backgrounds.
The first aid kit contains essential supplies for emergencies.
The medical tag on your wrist contains important information.
Control your portion sizes to maintain a healthy weight.
The symptoms are running parallel to those of the flu.
Check