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国家开放大学网络实用技术基础
- Why do you think there is so much crime? - _________________________.

A、On the Internet, there’s little protection for kids
B、Parents are too busy to spend time with their kids
C、In my opinion, our efforts in crime prevention are not good enough

Among the more colorful characters of Leadville.s golden age were H.A.W. Tabor and his second wife, Elizabeth McCourt, better known as “Baby Doe”. Their history is fast becoming one of the legends of the Old West. Horace Austin Warner Tabor was a school teacher in Vermont. With his first wife and two children he left Vermont by covered wagon in 1855 to homestead in Kansas. Perhaps he did not find farming to his liking, or perhaps he was lured by rumors of fortunes to be made in Colorado mines. At any rate, a few years later he moved west to the small Colorado mining camp known as California Gulch, which he later renamed Leadville when he became its leading citizen. “Great deposits of lead are sure to be found here.” he said. As it turned out, it was silver, not lead, that was to make Leadville.s fortune and wealth. Tabor knew little about mining himself, so he opened a general store, which sold everything from boots to salt, flour, and tobacco. It was his custom to “grubstake” prospective miners, in other words, to supply them with food and supplies, or “grub”, while they looked for ore, in return for which he would get a share in the mine if one was discovered. He did this for a number of years, but no one that he aided ever found anything of value. Finally one day in the year 1878, so the story goes, two miners came in and asked for “grub”. Tabor had decided to quit supplying it because he had lost too much money that way. These were persistent, however, and Tabor was too busy to argue with them. “Oh help yourself. One more time won.t make any difference,” he said and went on selling shoes and hats to other customers. The two miners took $17 worth of supplies, in return for which they gave Tabor a one-third interest in their findings. They picked a barren place on the mountain side and began to dig. After nine days they struck a rich vein of silver. Tabor bought the shares of the other two men, and so the mine belonged to him alone. This mine, known as the “Pittsburgh Mine,” made 1,300,000 for Tabor in return for his $17 investment. Later Tabor bought the Matchless Mine on another barren hillside just outside the town for $117,000. This turned out to be even more fabulous than the Pittsburgh, yielding $35,000 worth of silver per day at one time. Leadville grew. Tabor became its first mayor, and later became lieutenant governor of the state.

1-1、Leadville got its name for the following reasons EXCEPT ______.
A、that Tabor became its leading citizen
B、that great deposits of lead is expected to be found there
C、that it could bring good fortune to Tabor

The biggest site that we are _______ now is nextdoor.com.

A、deal with
B、dealt with
C、dealing with

Instead of boring old textbooks which are quickly_____ you can have an interactive learning experience through MOOCs.

A、upgraded
B、updated
C、out of date

Burglars increase the risk of being noticed while sticking around a well-lit house or trying to _______.

A、break up
B、break down
C、break in

One way to prevent crime is to use CPTED, also _______ Crime Prevention Through Environmental Design.

A、known as
B、famous for
C、based on

It says that China.s cases of juvenile crimes are _______.

A、going up
B、increasing up
C、adding up

Gradually you will remember the words you are not _______.

A、familiar with
B、familiar to
C、familiar

You need to show _______in your children.s social life and peer groups.

A、interests
B、an interest
C、interested

The impact of technology on modern life is immeasurable, _____?

A、hasn’t it
B、won’t it
C、isn’t it

Do you mind me ______ how old you are?

A、to ask
B、asking
C、ask

It is believed lifelong learning is a crucial response ______ the challenge of the global knowledge economy.

A、to
B、of
C、in

The ______ of all, kids are exposed to too much violence on TV.

A、best
B、worst
C、least

For the last hundred years, the U.S.A. has played ______ in most parts of the world.

A、a key actor
B、an important influence
C、a leading role

The Internet really makes our life convenient and we can learn __________.

A、anytime and anywhere
B、sometime and somewhere
C、anytime and somewhere