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Part A :LISTENING COMPREHENSION Listen the audio below, then choose the correct responses for each question.   *There are extra words/phrases in the word bank.

During a classroom discussion involving identity and social issues, a student strongly identifies with one position. When presented with competing perspectives, the student primarily searches for reasons those perspectives are wrong rather than seriously considering them. Which stage does this behavior most closely represent?

A ____________ is a layer formed by bacteria, often of multiple species, attaching to each other using “slime”. It can cause dental disease.

Most _______________ are made of sugar.

The author surveyed some of the students in one of his statistics classes about the numbers of hours they work per week. Their responses are described by the histogram below.  Histogram:  Time spent working per week Use the graph to answer the following questions. What is the variable in this graph?  [answer1] Is the variable qualitative or quantitative? [answer2] What is the sample size represented in the graph?  [answer3] What percentage of respondents said less than 15 hours?  [answer4]

Suppose a person does not make insulin, does not inject it, and eats a big meal. What would happen to their blood sugar level soon after the meal?

__________ moves material into a cell in bulk (not one or a few molecules at a time.)

_______________ prevent water from leaking between cells in animal tissues.

A red blood cell is placed in a container of pure saltwater. What happens to it and why?

During a conversation, someone makes a seemingly casual comment that unintentionally communicates a demeaning assumption about another person’s racial background. How would this interaction most appropriately be classified?