Read the excerpt from A Black Hole is NOT a Hole. Any and all events on the Sun remain invisible to you for as long as it is below the horizon. If the Sun suddenly turned purple, you wouldn’t see it happen.

In a similar way, once an object enters the extreme gravity zone of a black hole, the object disappears from view.

Which word signals that a comparison is being made?
A) extreme
B) object
C) gravity
D) similar

[he] let his gaze wander to the swirling water of the stream racing madly beneath his feet. a piece of dancing driftwood caught his attention and his eyes followed it down the current. how slowly it appeared to move! what a sluggish stream! what contrasting words are used to describe the stream in this passage?

Define the following word using the meaning of the suffix. use your dictionary if you are uncertain of the definition. argument a. full of disagreement b. act of disagreement c. state of disagreement d. quality of disagreement

What can be inferred from the following sentence in the passage? then he asked me my name. scarcely had i uttered it when he made a gesture of astonishment. a) the sentence implies that the attendant knows the colonel. b) the sentence implies that the colonel is giving up on life. c) the sentence implies that the attendant is going to get fired. d) the sentence implies that the colonel recognizes the attendant's name.