药材呈扁长条形或扁圆柱形而弯曲，表面紫褐色或紫黑色，面略具凹槽，断面浅棕红色，维管束呈黄白色点状，排列呈环。此药材是
A. 川牛膝
B. 秦艽
C. 何首乌
D. 虎杖
E. 拳参
[音频]
A. She is about to leave the world.
B. She intends to return to her job.
C. She doesn’t want to work any more.
D. She wants to do something more important.
[音频]
A. The woman is beautiful.
B. The woman shouldn’t listen to the agent’s suggestion.
C. The woman should pursue a career in acting.
D. The woman should be independent.
[音频]
A. She is very excited because she has got the signing of MandyConner.
B. She is angry because the man criticized her idol.
C. She is regretful because she had a wrong picture of her idol.
D. She is disappointed because she missed the chance of meeting Mandy Conner.
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