（1）American schools are looking for ways to save money on bustransportation because of high fuel prices. （2）Some schools, especially in rural areas, are changing to a four-day week. （3）That meanslonger days instead of the traditional Monday through Friday schedule.
Beginning in the fall of 2008，students in the Maccray schooldistrict in Minnesota will be in school Tuesday through Friday. Eachschool day will be sixty-five minutes longer. The district expects to " save about 65，000 dollars a year in transportation costs. The districthas about 700 students living in an area of 900 square kilometers.
In Custer, South Dakota, students have been going to schoolMonday through Thursday since 1995. The change has saved an estimated one million dollars over just the past eight years.
But he sees other benefits, too. Students get more instructionaltime. And activities that used to interfere with classes are now heldon non-school days.
In the future, the growth of online classes could make it possible to require even fewer days in school. High fuel prices are driving college students to take more online classes. And in somestates, high school students can take them, too.
In New Mexico, the first school district changed to a four-dayweek in 1974 because of the Arab oil boycott. Now, 17 out of 89districts use it.
A four-day school week sounds like a great idea for studentsand teachers because they are too tired. But working parents mayhave to pay for child care for that fifth day. The Lake Arthur SchoolDistrict has just 160 students. Lake Arthur used a four-day schedulefor twelve years. But a few years ago it went back to five days.
The following sentences can be added in Paragraph 1 _________. More children may have to walk, ride their bikes or find otherways to get to school. But, as another effect of the high prices, they may not have to go to school as often.

A．at the beginning of （1）	B．between （1） and （2）
C．between（2） and （3）	D．at the end of （3）

We can infer from Paragraph 2 that _________.

A．students in the district will go to school four days a week be-sides Monday

B．the district will spend 65，000 dollars every year on transportation costs

C．students in the district will stay at school 260 minutes longerthan before

D．students in the district live near the school

A four-day school week is a good idea because _________.

A．the price of fuel is higher than before

B．there are so many students that the city streets are full of traffic

C．students and teachers are tired and students can get more instructional time

D．both A and C

_________is carrying out a four-day schedule these days.

A．The Lake Arthur School District

B．The Maccray school district in Minnesota

C．The school district in Custer, South Dakota

D．All the school districts in New Mexico