ACT Test 1 English

in 1948, graduate students, Norman Woodland and Bernard Silver, took on a problem that had troubled retailers for years.

• NO CHANGE

• students, Norman Woodland and Bernard Silver

• students Norman Woodland and Bernard Silver

• students Norman Woodland and Bernard Silver,

Tags

CCSS.L.6.2A

CCSS.L.4.2C

Inspired by the dots and dashes of Morse code, however, Woodland and Silver created a system of lines that could encode data.

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• in other words,

• consequently,

• DELETE the underlined portion

Tags

CCSS.L.1.1G

CCSS.L.3.1H

CCSS.L.5.1A

CCSS.L.5.1E

The first bar code was composed of four white lines set at specific distances from each other on a black background.

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• distances so that each was separated, one from the

• locations, each one set apart from the

• lengths of distance from each

Tags

CCSS.L.11-12.3A

CCSS.L.7.1C

Depending on the presence or absence of the remaining three lines, up to seven different arrangements were susceptible and, therefore, seven different encodings.

• NO CHANGE

• responsible

• possible

• capable

Tags

CCSS.RF.3.3B

CCSS.RF.3.3C

CCSS.RF.3.3D

CCSS.RF.4.3A

CCSS.RF.5.3A

Today, twenty-nine white lines making more than half a billion encodings possible.

• NO CHANGE

• which make

• to make

• make

Tags

CCSS.L.6.2A

CCSS.L.7.1A

CCSS.L.9-10.1B

Their prototype scanner used a 500-watt bulb and an oscilloscope. Although successful, the concoction was both large and costly.

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• contraption

• substance

• stuff

Tags

CCSS.L.3.1C

For example, progress stalled until the 1970s, when laser technology became available.

• NO CHANGE

• As a result,

• However,

• Even so,

Tags

CCSS.L.1.1G

CCSS.L.3.1H

CCSS.L.5.1A

CCSS.L.5.1E

While the black lines absorb light, the white lines reflect it back at a fixed mirror inside the scanner.

• NO CHANGE

• them

• ones

• one

Tags

CCSS.L.3.1A

Today, being that there are one- and two-dimensional bar codes using numeric and alphanumeric symbologies.

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• there are

• where

• DELETE the underlined portion

Tags

CCSS.L.3.1A

In one study, for instance, tiny bar codes were placed on bees tracking their activities.

• NO CHANGE

• had been placed on bees trying to track

• placed on bees, which would track

• were paced on bees to track

Tags

CCSS.L.2.1F

CCSS.L.8.1B

CCSS.L.8.1D

CCSS.L.8.3A