A. resembles B. immediately C. peculiar D. cushion E. disciplines F. press G. refer H. shifts I . interacting J. dramatically K. classic |
Traffic science is one of those
There are two kinds of traffic flow. In uncongested stable flows, cars can move at or near the speed limit, and the "unstable regime," what laypeople (外行) call a stop-and-go traffic. What scientists have figured out over the past decade or so is when and why traffic
“We see in our models that traffic becomes unstable when the number of cars (passing a specific spot) per lane per hour reaches between 2,000 and 2,500. At that nominal capacity level, traffic is very likely to become unstable,” says Hani Mahmassani, a traffic scientist at Northwestern University in Chicago.
Consider a
The next car back has to slow down even more, again to give itself a
label; stress; source; despite; facility; equal; assume; loss; expert; permit |
2. All work is of
3. It is quite reasonable to
4. Their commitments do not
5. She has been under house arrest for most of the past decade,
6. They took the time to talk about the
7. If you tend to overeat because of depression, first take steps to recognize the
8. The hotel has many a special
9. You have to be good but not an
10. It is all too easy to
A. belief B. discourage C. choices D. issue AB. try AC. characterize AD. demonstrate BC. ensure BD. incomparable CD. opposing ABC. responsible |
The unique features of colleges and universities in the U.S. are hardly shared by their competitors in Europe or Asia. Many foreign students are attracted not only to the academic programs at a particular U.S. college but also to the larger community, which affords the chance for them to absorb the surrounding culture. Clubs, sports teams, student publications and drama societies
Foreign students also come in search of
Such
Centralization (集权化) is likely to
A. understand | B. information | C. freely | D. permit | E. results |
F. develop | G. ordinary | H. local | I. normal | J. interview |
K. allows |
As societies develop, their members start to see things not so much according to what they need, but according to what they want. When people have enough money, these wants become demands.
Now, it’s important for the managers in a company to
Another way to get
![](https://img.xkw.com/dksih/QBM/2020/2/17/2401036785270784/2401658266419200/STEM/6f13d731a21e49f5aa202611352eae9b.png?resizew=550)
The Floating School
Life on the islands can feel a bit isolated due to a lack of electricity and internet connectivity.
Although some of the islands have primary schools, most young people must travel to the larger islands or to the mainland to attend high school. Schools on the islands follow the
So, we
The Floating School is a wooden boat that can
At first, many of the young people thought the Floating School would be the same as their schools on the islands. They had thought of the teachers to be
![](https://img.xkw.com/dksih/QBM/2019/12/28/2364937501966336/2369130190938112/STEM/3436a7a558524fe499aacf96b5bc4f2e.png?resizew=554)
Time: is there ever enough of it? In today's modern world, most of us are
A study by Derek Thompson on the “myth" of being busy suggests that while
While being informed is important, it can lead to anxiety about keeping up with the times. If you find yourself unable to stop scrolling through Twitter, turn off the phone and take a mental break. Practice JOMO (joy of missing out), a(n)
Another thing technology has
Of course, if you want to move up the corporate ladder and get a bigger paycheck, working long hours has long been a
People working the same hours feel completely different levels of time pressure depending on their passion. If most of the hours are spent doing something you don't feel
Directions: Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need.
A. access B. alternatives C. assigned D. confirmed E. conflicting F. elements G. function H. innovative I. prospective J. separate K. supporting |
Considering how much time people spend in effects, it is important that with A be well designed. Well-designed office spaces help create a corporation’s image. They motivate workers and they make an impression on people who visit and might be potential, or
As we move away from an industrial-based economy to a knowledge-based one, office designers come up with
As employee hierarchies (等级制度) have flattened or decreased, office designers’ response to this change has been to move open-plan areas to more desirable locations within the office and create fewer formal private offices. The need for increased flexibility has also been
Corporate and institutional office designers often struggle to resolve a number of competing and often
All these