在航速一定的条件下,船舶每日耗油量与()。
A.排水量成正比
B.排水量的三分之一次方成正比
C.排水量的三分之二次方成正比
D.排水量的平方成正比
参考答案:C
The school board is made up of parents who ________ to make decisions about school affairs.
A.had been elected
B.had elected
C.have been elected
D.have elected
农民是属于()。
A、表现型角色
B、成就角色
C、规定性角色
D、功利角色