A、
About 40 to 50 percent.
B、
About 30 percent.
C、
About 38 percent.
D、
About 30 to 50 percent.
【正确答案】
A
【答案解析】
A、
By getting rid of trays.
B、
By installing food-only trash cans.
C、
By installing a software system to track the trash.
D、
By providing less food for students.
【正确答案】
A
【答案解析】
A、
To lower the costs of hauling food waste.
B、
To save more food for the world.
C、
To keep the dining room clean.
D、
To reduce the efforts of cooking.
【正确答案】
A
【答案解析】
A、
It can store measures of how to save food.
B、
It can calculate the total amount of food offered.
C、
It can help people realize the value of wasted food.
D、
It can connect the food needed with the number of customers.
【正确答案】
C
【答案解析】
提交答案
关闭