[简答题]Movement from one racial role to another usually involves learning the secrets of the new status.

[简答题]Movement from one racial role to another usually involves learning the secrets of the new status.

[单项选择] (21) from one phase are usually reviewed for completeness and accuracy and approved before work starts on the next phase.
A. Process
B. Milestone
C. Work
D. Deliverables

[单项选择]It usually takes much (less) time to fly from one country to (another) than (traveling) (by) train.
A. less
B. another
C. traveling
D. by

[填空题]Issues in dialect usually stem from the debate over what people view as
Standard American English and what they do not view as Standard American
English. Although people come from different backgrounds and have had 41. ______
different experiences, which becomes a particular problem for communication. 42. ______
Issues arise that confronts people every day in all jobs and in most dealings 43. ______
with other people.
According to Walt Wolfram and Donna Christian’s Dialects and Education,
the term dialect it has several "popular" meanings that stem from the 44. ______
technical definition of dialect. Often people infer to dialect when talking 45. ______
about the way people from certain regions or certainly social groups speak. 46. ______
While this is part of it, it is the entire definition. Other times people 47. ______
refer to people who are speaking different

[填空题]A hot clog is usually made from pork, heel, turkey and tofu.

[单项选择]A. From twelve to one. B. From one to two.
C. From twelve to two. D. From two to three.

[单项选择]Blind people usually possess one advantage over other people who can see: their sense of hearing is far more acute. Sounds which most others would miss can carry a great deal of information to a sightless person. For instance, teams of blind children can enjoy fast-moving games of soccer with a bell inside the ball and a new hand-held ultrasonic device to guide them. And that sound-location system could help to build up an even more complete sound picture of a blind person’s surroundings.
Bats, whose sight is poor, use a sound-location system to help them avoid obstacles in the dark. They send out pulses of sound waves, pitched at 50,000 cycles per second, far above the limits of the human ear, which can hear sounds up to frequencies of about 20,000 cycles per second. As the echoes bounce back off obstacles such as trees and walls, the bats are able to take appropriate action.
The first steps to help blind people to see with sound are based on exactly the same principle. The