16Hit1600
Craft and StructureMediumStructure: successive prototypes

Craft and Structure practice question

The team's first prototype leaked. Their second was watertight but too heavy to lift. The third, built from a lighter alloy, met both requirements and went into production.

Which choice best describes the overall structure of the text?

  1. A. A series of attempts is described, each solving a problem the previous one had.Correct
  2. B. Two designs are compared and one is chosen.
  3. C. A problem is stated and its cause is explained.
  4. D. A single design is described in detail.

Answer: A. A series of attempts is described, each solving a problem the previous one had.

Leaked, then watertight but heavy, then light and watertight: three attempts, each fixing the last one's flaw.

Why the other answers are wrong

B. Two designs are compared and one is chosen.
Three prototypes are described, in sequence, not compared as a pair.
C. A problem is stated and its cause is explained.
No cause is explained; progress is narrated.
D. A single design is described in detail.
Three designs, not one.

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