1. Which statement best expresses the central
idea of the text?
A Vaccines can be a dangerous way to protect the body
from diseases, as you have to initially expose the
body to disease.
B Vaccines are not necessary to protect against
diseases, as the body will automatically remember
certain diseases and protect against them.
C The immune system struggles to remember viruses
that it has experienced and needs the help of
vaccines to make memories of them.
D A vaccine is developed by familiarizing your body
with a pathogen so that it can recognize it and keep it
from spreading within you and to others.

Alittle later than his thisbe had, and he could see what surely were the tracks of a wild beast left clearly on deep dust. his face grew ashen. and when he had found the bloodstained shawl, he cried: "now this same night will see two lovers lose their lives: she was the one more worthy of long life: it's i who bear the guilt for this. which statement best describes how the order of events creates tension?

Using context clues read the sentence, then use context clues to determine the definition of parameters. setting clear parameters, such as rules, guidelines, or instructions, people understand what is expected of them. what is the definition of parameters? which type of context clue is used in the sentence?

Which line in the passage can be used as textual evidence to support the following claim? many people suffer from depression. depression is a serious mental illness that affects a person physically and mentally. it interferes with a person's ability to function normally and enjoy pleasurable activities. some types of depression include major depressive disorder, seasonal affective disorder, and postpartum depression. many people confuse depression with general sadness, though people are becoming increasingly aware that it is indeed a serious illness. often people suffering from depression think that it is an incurable condition. they don’t seek any treatment because they are afraid of how others will judge them. based on data from the national institute of medical health, depressive disorders are common and affect 9.5 percent of adults in the united states, or about 19 million people every year. more than 80 percent of people with depressive disorders improve when they receive appropriate treatment.