超星 - 2-2-practice 3 & 4 & 5

单选题

In the following groups, one statement is the general point, and the other statements are specific support for the point. Choose the letter of the general idea.

A. Last night we could hear and smell a large animal prowling outside our tent.
B. Green flies with stinging bites are in abundance around our campsite
C. The time has come to find a new campsite.
D. This morning we discovered a nest of baby rattlesnakes nearby.

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单选题

In the following groups, one statement is the general point, and the other statements are specific support for the point. Choose the letter of the general idea.

A. Children are at risk at the school.
B. There are two active gangs in the school.
C. Knives and guns have been found in lockers.
Drug busts have been made at the school.

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单选题

In the following groups, one statement is the general point, and the other statements are specific support for the point. Choose the letter of the general idea.

A. Cats are clean and do not require much attention.
B. There are definite advantages to having a cat as a pet.
Cats like living indoors and are safe to have around children.
D. Cats are inexpensive to feed and easy to keep healthy.

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单选题

In the following groups, one statement is the general point, and the other statements are specific support for the point. Choose the letter of the general idea.

A. Many credit card companies charge people annual fees of $25 to $50.
B. Credit card companies make money from their customers in several ways.
C. Nearly all credit-card companies charge people high interest rates, up to 20% or more.
D. Most credit card companies sell their customers’ names and addresses to other companies.

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单选题

In the following groups, one statement is the general point, and the other statements are specific support for the point. Choose the letter of the general idea.

A. Communicating with family and friends using computer e-mail takes very little effort or time.
B. Finding information is as easy as typing several key words.
C. Shopping can be quickly handled online with a few clicks of the mouse and the use of credit card.
D. Computers make everyday matters much easier.

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单选题

In the following groups, one statement is the general point, and the other statements are specific support for the point. Choose the letter of the general idea.

A. Teenagersgather at malls to meet friends, eat fast food, and socialize.
B. Elderly people often walk at malls for exercise.
C. Malls have many uses in American society.
D. Malls provide space for community groups to stage events.

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单选题

In the following groups, one statement is the general point, and the other statements are specific support for the point. Choose the letter of the general idea.

A. Instead of working full-time, many of today’s employees work part-time with little job security and few benefits.
B. Job security and our ideas about work have changed dramatically in recent years.
C. Unlike in years past, most people entering the work force today will change jobs several times during their careers.
D. Rather than work for someone else, many of today’s workers hope to start their own businesses.

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单选题

In the following groups, one statement is the general point, and the other statements are specific support for the point. Choose the letter of the general idea.

A. The American fod industry is serving ever larger portions of food to American consumers.
B. Fast food restaurants including Burger King, McDonald's and Taco Bell now offer extra "super-sized" meals to customers.
C. Many chain restaurants in the U.today offer "all you can eat" buffets.
D. Supermarkets now feature oversized or "family size" portions of many foods.

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单选题

In the following groups, one statement is the general point, and the other statements are specific support for the point. Choose the letter of the general idea.

A. By decreasing the production of certain hormones, exercise lessens the risk of certain cancers.
B. Regular exercise strengthens the immune system, promotes metal health, and generates feelings of well-being.
C. People who exercise regularly have stronger bones, more limber joints, and a healthier heart.
D. Regular exercise four to five days a week has significant health benefits.

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单选题

In the following groups, one statement is the general point, and the other statements are specific support for the point. Choose the letter of the general idea.

A. When toddlers play, they are having fun, but they are also developing in important ways.
B. During play, young children are learning to use their muacles and becoming more coordinate.
Children pretending to be other people are exploring their identities and "trying on" other ones.
D. By making up stories and acting them out, children are learning about emotions and feelings.

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