Read the excerpt from "Ship's Chronometer from HMS Beagle.” Just as people adopted a common standard time, so numerous aspects of working and daily life were becoming rigidly fixed by the clock, from clocking on at work to school hours and tea-time – which is the subject of our next chapter. What context clue best helps readers determine the meaning of the word standard ?
The phrase “rigidly fixed by the clock” suggests that a standard is something established and used consistently. In this passage, “common standard time” means a shared, fixed way of measuring time. So “rigidly fixed” is the best context clue.
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