超星 - 长篇阅读：数字转换

单选题

Cet-6-1.12-Exercise 01H) What took place after World War II was not the revival of a 1920s economy, with its small farming units, urban manufacturing, and plurality of laborers. Instead, the 1950s saw the creation of a new suburban economy, with a plurality of white-collar workers. With an expanded transportation and communications infrastructure, businesses needed telephone operators, shipping clerks and similar occupations. If you could read, follow simple instructions, and settle into a routine, you could find a job in the post-war economy.

Attempts are being made to prevent hackers from carrying out identity theft.
B. The creation of a suburban economy in the 1950s created lots of office jobs.

查看答案

单选题

Cet-6-1.12-Exercise 02M) Using the latest Census Bureau data, Matthew Slaughter found that from 2000 to 2010 the real earnings of college graduates (with no advanced degree) fell by more in percentage terms than the earnings of high school graduates. In fact, over this period the only education category to show an increase in earnings was those with advanced degrees.

A. In the first decade of the 21st century, only people with postgraduate degrees experienced an increase in earnings.
Big banks have been reluctant to switch to more secure technology because of the higher costs involved.

查看答案

单选题

Cet-4-1.13-Exercise 01G) Back in the 1950s most of us grew up in households where Mom cooked virtually every night. The intention to put a home-cooked meal on the table was pretty much universal. Most people couldn’t afford to do otherwise.

A. People in their fifties and early sixties bear the heaviest family burdens.
B. In the mid-20th century, most families ate dinner at home instead of eating out.

查看答案

单选题

Cet-4-1.13-Exercise 02C) And yet we aren’t cooking. If you eat three meals a day and behave like most Americans, you probably get at least a third of your daily calories outside the home. Nearly two-thirds of us grab fast food once a week, and we get almost 25% of our daily calories from snacks. So we’re eating out or taking in, and we don’t sit down — or we do, but we hurry.

A. We get a fairly large portion of calories from fast food and snacks.
B. Ancient philosophers strongly advise that we do good.

查看答案