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[Unit 6] Directions: The following underlined statement is the introductory sentence of a paragraph. Rearrange the statements A-E in a logical order so that they form a coherent and cohesive text.Addictionis a chronic disorder with biological, psychological, social and environmental factors influencing its development and maintenance.

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[Unit 5] Directions: The following excerpt is from an article in the field of cloud computing. Rearrange the following sentences in the correct order. The first two sentences have already been identified as below.Cloud computing is traditionally divided into three market segments: Infrastructure as a Service (IaaS), Platform as a Service (PaaS) and Software as a Service (SaaS).To better understand cloud communications, it is useful to understand the different service models of cloud computing.

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[Unit 5] Directions: The following statements (A-E) are taken from the Introduction of a research paper. Please reorganize them into a logical and coherent sequence.

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[Unit 6] Directions: Choose the main idea for Paragraphs 5-15 of Unit 6's Text A..

A. Microbes harm their human hosts to enhance their chances of survival.
B. Microbes’ ability to cause disease is an adaptation against their hosts.
C. Microbes’ adaptation to the environment may sometimes be detrimental to humans.

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[Unit 6] Directions: There are 5 blanks in the following passage. Read the passage carefully and fill in each of the blanks by choosing the right word or phrase from the list given below.Casadevall likes to say that each microbe holds a different hand of cards – adaptations that allow it to cope with its environment. Most of these 1 are meaningless to us. A bacterium might be able to resist being 2 by other cells, but it might not be able to grow at 37 degrees Celsius. It might grow at the right temperature, but it might not be able to 3 our slightly alkaline pH levels. But that doesn’t matter. There are so many microbes out there that some of them will end up with a hand that lets them 4 their way into our game. “If you take all the microbial species in the world and imagine that they have these traits 5__, you can find pathogenic microbes for practically anything,” says Casadevall.

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