Blog and Web

In each of the following pairs of sentences, choose the sentence that uses--or omits--commas correctly.

1.

A.
What are Web logs or, blogs?

B.
What are Web logs, or blogs?

2.

A.
Web logs, one of the newest types of documents on the Web, are very popular.

B.
Web logs, one of the newest types of documents, on the Web are very popular.

3.

A.
In 1998-1999 very few Web sites could be called, Web logs.

B.
In 1998-1999, very few Web sites could be called Web logs.

4.

A.
Eventually, these types of sites became popular, and many people began publishing them.

B.
Eventually, these types of sites became popular and many people began publishing them.

5.

A.
Web logs originally consisted of a mixture of links, personal comments, thoughts, and essays created by people who knew how to make Web sites.

B.
Web logs originally consisted of a mixture of links, personal comments, thoughts and essays, created by people who knew how to make Web sites.

6.

A.
One advantage of Web logs is that, the author of the blog has filtered out some of the material returned by a Web search.

B.
One advantage of Web logs is that the author of the blog has filtered out some of the material returned by a Web search.

7.

A.
Today's blogs seem to be more like personal journals, which contain an author's thoughts and feelings about a topic.

B.
Today's blogs seem to be more like personal journals which contain an author's thoughts, and feelings about a topic.

8.

A.
A typical blog might contain the writer's comments on a band, and links to the band's Web site, or to conversations about the band with several other bloggers.

B.
A typical blog might contain the writer's comments on a band and links to the band's Web site or to conversations about the band with several other bloggers.

9.

A.
Also, today's blog authors need not know how to create their own Web sites, because there are programs available to help them.

B.
Also, today's blog authors need not know how to create their own Web sites because there are programs available to help them.

10.

A.
Web logs provide a creative, innovative way for people to communicate.

B.
Web logs provide a creative innovative way for people to communicate.

For each of the following sentences, choose the revision that uses--or omits--commas correctly. If the original sentence is correct, choose "no change."

11.
Aqueducts, which are manmade systems to transport water, have been around since ancient times.

A.
Aqueducts which are manmade systems to transport water, have been around since ancient times.

B.
Aqueducts, which are manmade systems to transport water have been around since ancient times.

C. no change

12.
They typically consist of canals, tunnels, pipelines or bridges.

A.
They typically consist of canals, tunnels, pipelines, or bridges.

B.
They typically consist of canals, tunnels pipelines or bridges.

C. no change

13.
Although other civilizations built aqueducts, the Romans are most famous, for their construction and use.

A.
Although other civilizations built aqueducts, the Romans are most famous for their construction and use.

B.
Although, other civilizations built aqueducts, the Romans are most famous for their construction and use.

C. no change

14.
Rome had eleven major aqueducts, built approximately between 300 BCE and 225 CE.

A.
Rome had eleven major aqueducts, built approximately, between 300 BCE and 225 CE.

B.
Rome had eleven major aqueducts built approximately between, 300 BCE and 225 CE.

C. no change

15.
These aqueducts supplied Romans with all the water they needed; in fact they supplied more water than some major cities use today.

A.
These aqueducts supplied Romans with all the water they needed; in fact they supplied more water, than some major cities use today.

B.
These aqueducts supplied Romans with all the water they needed; in fact, they supplied more water than some major cities use today.

C. no change

16.
After locating springs and other water sources in the hills engineers dug channels in the rock to funnel the water downhill to huge cisterns.

A.
After locating springs and other water sources in the hills, engineers dug channels in the rock to funnel the water downhill to huge cisterns.

B.
After locating springs and other water sources in the hills, engineers dug channels in the rock, to funnel the water downhill to huge cisterns.

C. no change

17.
They dug access shafts along the aqueduct, and these shafts were used for ventilation and maintenance.

A.
They dug access shafts along the aqueduct and these shafts were used for ventilation and maintenance.

B.
They dug access shafts along the aqueduct and these shafts were used, for ventilation and maintenance.

C. no change

18.
Just before the aqueduct entered the city the engineers raised it high on arches to create sufficient water pressure.

A.
Just before the aqueduct entered the city the engineers raised it high on arches, to create sufficient water pressure.

B.
Just before the aqueduct entered the city, the engineers raised it high on arches to create sufficient water pressure.

C. no change

19.
The water was distributed from the cistern, through lead pipes, to the emperor and to the wealthy who could pay for it.

A.
The water was distributed from the cistern through lead pipes to the emperor, and to the wealthy who could pay for it.

B.
The water was distributed from the cistern through lead pipes, to the emperor and to the wealthy who could pay for it.

C. no change

20.
Ordinary citizens of Rome, however, also had access to water at the hundreds of fountains and baths that filled the city.

A.
Ordinary citizens of Rome, however also had access to water at the hundreds of fountains and baths that filled the city.

B.
Ordinary citizens of Rome however also had access to water, at the hundreds of fountains and baths that filled the city.

C. no change