红参伪品,断面呈多环同心型维管束,此伪品属哪种植物的根伪制()
A.栌兰
B.桔梗
C.商陆
D.华山参
参考答案:C
_Could I go to the movie this Sunday, Dad?
Yes, you_____. But you ______ come back before nine.
A.should, can
B.must ,have to
C.can , have to
D.need, must
信念如何固定下来()
A.自我暗示
B.自我提醒
C.自我调节
D.自我了解