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【多选题】
党参的横切面的特征是A.
木栓层外侧有石细胞
B.
韧皮部散有乳管群
C.
形成层成环
D.
木质部有纤维在
E.
细胞内含菊糖及淀粉粒
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反馈参考答案：
举一反三
【单选题】【A2 题型】 女,52岁。右上腹部剧烈绞痛及右肩背部放射痛,伴寒战高热。2天后巩膜、皮肤黄染。此种表现多见于:
A.
急性胆囊炎
B.
急性胰腺炎
C.
胆总管结石、急性胆管炎
D.
胆道蛔虫
E.
胆囊结石
【单选题】If it becomes necessary to pump bilges while a vessel is in port, which of the following procedures should be followed?
A.
Pump only if the discharge is led to a shore tank or barge
B.
Pump only during the hours of darkness
C.
Pump only on the outgoing tide
D.
Pump only as much as is necessary
【简答题】“愿天下有情人终成眷属”最早出自哪部元代戏剧?
【单选题】P78 用must 或 have to来替代划线的部分。 4. It is necessary for me to have some help.
A.
I must have some help.
B.
I have to have some help.
C.
A,B都对
【单选题】It is necessary for us to________these interesting old customs. [ ]
A.
prevent
B.
present
C.
prepare
D.
preserve
【简答题】“愿天下有情人终成眷属”出自哪部戏剧?
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