In the fragments of Text II: “did not hand off control of a departing aircraft to another control center” (lines 33-35) and “It has taken decades to try to come up with new fatigue rules for pilots” (lines 71-72), the expressions hand off and come up with mean, respectively,

A comparison between Texts I and II reveals that

President Obama’s warning to air traffic controllers “‘You better do your job.’” (lines 4-5, Text II) can be rephrased as

Based on Text I, lack of adequate amount of sleep is NOT responsible for

In Text I, the boldfaced item is synonymous with the expression in italics in

After reading Text I, it is possible to infer that the author’s intention is to

In Text I, the expression downright scary in “Here’s some news of workers sleeping on the job that’s downright scary.” (lines 1-2) can be replaced, without change in meaning, by

In the fragment of Text I: “It is important, I believe, to separate the issue of air traffic controllers sleeping on the job from their choice to play with laptops and cell phones when they are supposed to be working” (lines 15-18), Dr. Michael Breus implies that

According to Text I, the Federal Aviation Administration, in response to serious public safety issues, has defined new norms that include all of the following, EXCEPT

According to the author of Text I, it has been proven scientifically that workers who have jobs that demand they work in shifts