provides lessons for agriculture，trade，land use and tax policy from an economic p

What does Best Buy do to win customers back from online retailers？

A．It encourages consumers to try out its instruments.

B．It provides regular customers with shuttle services.

C．It enables customers to shop via their cell phones.

D．It sells music lessons together with its instruments.

esson materials prepared in a sequential and logical order for study by students on their own. When each lesson is completed, the student mails or transmits the assigned work to the institution for correction, grading, comment, and subject matter guidance by qualified instructors; Corrected assignments are re turned promptly to the student. This exchange provides a personalized student-teacher relationship. If a student slows his or her pace or fails to send assignments, the school provides encouragement. Al though some institutions provide employment information and assistance, no famous school ever guarantees a job to graduates.

Distance education and self-study are different. Self-study materials provide no instructional service. Corrected assignments, examinations, and special help provided by a qualified facility are vital to a good learning situation. However. these are not part of self-study. There are many self-study courses and recordings available, and they may have value, but they clearly are not correspondence or distance education courses. Some institutions offer combination courses that provide training-in-residence for students who complete their distance education lessons. In-service or on the-job training is required or provided with other courses and is a feature of many vocational distance education programs.

Quality distance education institutions screen possible students to assure that only those who can benefit from the courses are enrolled. While there are educational: requirements for some academic subjects ,interest and ability are the primary factors leading to success in most distance education courses. Because they provide alternative educational opportunities, distance education institutions try not to deny a student the opportunity to succeed in a course interest and experience are good indicators of future success.

Distance education courses vary greatly in scope, level, and length. Some have few lessons and require only weeks to complete, while others have a hundred or more assignments requiring three or four years of conscientious study. Also, a wide variety of subjects is offered. Subjects include yacht de sign, accounting, medical transcription, nutrition, robotics, travel agent training, gun repair, gem identification ,computer programming, catering and cooking, and earning an entire high school diploma ,just to name a few.

There is an increasing recognition of "distance education" and many colleges offered it for their distance learning courses or accept some distance education credits of resident students working to ward a degree. In fact, many distance education institutions award their own academic degrees. Also, the employing organization may set its own credit acceptance policies.

Which of the following is true about distance education？

A．Teachers and students seldom meet each other in class of distance education.

B．Students can have their lessons in whatever order they like in distance education.

C．Students can study at their own pace in distance education.

D．It will take students a long time to get feedback of their assignments in distance education.

In the Xuzhou survey , how many children have extra private lessons？

A．250.

B．25.

C．10

D．3

In the Xuzhou survey ,how many children have extra private lessons？

A．250.

B．2.5.

C．10.

D．3.

The teacher asked us to ______our lessons after class.

A. go on

B. go over

C. go away

D. go back

In the Xuzhou survey, how many children have extra private lessons？

A．250.

B．25.

C．10.

D．3.

I have ______ gone over my lessons, but he hasn't ______.

A．already,already

B．already,yet

C．yet,already

D．yet,yet