Loading question...
« Prev Next »
You are in free guest mode. Timed Practice Revision List Attempt History Progress Tracking Create a free account to unlock these tools
Practice Speaking: Read Aloud ID: #51912 Long Vaccines
Instructions
Vaccines work by training and preparing the body's natural defences the immune system to recognize and fight off viruses and bacteria. If the body is exposed to those disease-causing pathogens later, it will be ready to destroy them quickly which prevents illness. When a person gets vaccinated against a disease, their risk of infection is also reduced.

Accuracy Comparison for Reading Scores

Accuracy:

Sample Answers:

Status: A.I. Engine Standing by...
Comments: