The light of a full moon brightens a clear night, reflecting enough sunlight to cast shadows. But have you ever seen a full moon in summer when it first rises above the horizon? When it is low in the sky, the full moon often looks much larger than it will after it has risen higher; as it rises into the sky, the full moon seems to grow smaller. Our eyes see this, but cameras show that the moon stays the same size throughout its journey. The name of this phenomenon is the moon illusion, and scientists haven't yet agreed on what causes it. 1. The author includes the detail "reflecting enough sunlight to cast shadows" in order to -
A. illustrate how bright a full moon is
B. discuss the ways in which the moon acts as a mirror -
C provide evidence of how powerful the sun is
D remind the reader that shadows occur only at night
2. Which sentence explains why this event is called an illusion?
A The light of a full moon brightens a clear night, reflecting enough sunlight to cast shadows.
B When it is low in the sky, the full moon often looks much larger than it will after it has risen higher; as it rises into the sky, the full

1. read the following excerpt from franklin d. roosevelt's "fireside chat 19":

on the other side of the picture, we must learn also to know that guerilla warfare against the germans in, let us say serbia or norway, us; that a successful russian offensive against the germans us; and that british successes on land or sea in any part of the world strengthen our hands.

remember always that germany and italy, regardless of any formal declaration of war, consider themselves at war with the united states at this moment just as much as they consider themselves at war with britain or russia. and germany puts all the other republics of the americas into the same category of enemies. the people of our sister republics of this hemisphere can be honored by that fact.  

the true goal we seek is far above and beyond the ugly field of battle. when we resort to force, as now we must, we are determined that this force shall be directed toward ultimate good as well as against immediate evil. we americans are not destroyers — we are builders.

analyze the effectiveness of this excerpt. how does it function within the speech as a whole? how does the structure of the excerpt to convey the speech's purpose and key points? support your argument with evidence from the speech. (10 points)