Of the following, what is the best definition of a professional?
a. A person able to complete tasks according to well-defined criteria
b. A person able to make decisions in ill-defined situations
c. A person who cares about the well-being of young people
d. A person who is able to effectively explain complex forms of knowledge
b
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Here is a typical school day for Sabrina, who is a tenth grader: Wake up at 6:00 to arrive at school by 7:00 for orchestra practice. Attend classes from 8:00 to 3:00, changing classes every hour. After school, go to choir practice and then to either dance lessons or a part-time job, depending on the day. Fill in any free time before dinner (which is usually around 8:00) watching television or
talking on the phone. After dinner, complete several hours of homework and engage in instant-messaging on the Internet with friends. Be in bed by midnight. Is this schedule consistent with good physical health? a. No, Sabrina should add at least an hour of physical exercise each day. b. No, Sabrina is not getting enough sleep. c. Yes, Sabrina's busy schedule assures plenty of exercise, and dinner at home assures good nutrition. d. Yes, Sabrina is benefiting from the many opportunities available to her and is old enough to cope with the demands of this schedule.
The most erosive force on Earth is:
a. Wind b. Glaciers c. Rock d. Moving water
Among the most popular types of adventure novels are those in which an individual or group is pitted against __________
Fill in the blank(s) with correct word
Choose the type of sample that matches the following characteristics of sampling procedures. Naturally occurring groups are randomly selected
a. simple random c. cluster b. stratified d. systematic