A.They are especially intelligent
B.They are children's favorite
C.They are quite easy to tame
D.They are clean and pretty
A.不但没有更轻松的生活,反而更辛苦、更不满足
B.人类以为自己驯化了小麦,实际上是小麦驯化了人类
C.人被困住麦田上,土地成了生存的根基,引发战争
A.violin
B.trumpet
C.piano
A.Present time, past time, and future time
B.Certainty and possibility
C.Agent and instrument;
D.Relationship between people and objects
A.L/C is a self- sufficient instrument
B. L/C is a document transaction
C. L/C is not a self- sufficient instrument
D. L/C is a cargo transaction