重庆大学 2021_07_01 每日一练
A、20%
B、30%
C、40%
D、50%
(1) Which of the following statements is true? ()
A.American housewives are not good homemakers
B.Upper-income families are more wasteful than lower-income ones
C.American families throw away almost as much food as they consume
D.Americans waste a great deal of dog food
(2)American families throw out between () of edible food every year.
A.5%~8%
B.8%~10%
C.20%~28%
D.8%~20%
(3)When sugar prices doubled, waste of sugar ().
A.went down
B.went up
C.stayed the same
D.was cut in half
(4) When do American families waste more food? ()
A.When prices are high
B.When food is scarce
C.When they think it is spoiled
D.All of the above
(5) Large quantities of food are thrown out because a homemaker ().
A.thinks they are not delicious
B.says they taste bitter and hot
C.thinks they smell bad
D.suspects they are spoiled when they are not