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【多选题】
肾上腺皮质激素治疗过敏性紫癜，下列哪些是恰当的（）A.
肾上腺皮质激素可改善腹痛和关节症状
B.
激素不能减轻紫癜或减少肾脏损害的发生率
C.
急性发作症状明显时，服用泼尼松每日1～2mg/kg
D.
症状缓解后即可停药，疗程多在10d以内
E.
以上都不是
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【单选题】— _____ Does this bus go to the Olympic Park? — Yes, I think so. [ ]
A.
Excuse me.
B.
Hello!
C.
Pardon me?
D.
Sorry.
【单选题】听力原文：M: Excuse me. Is this road to Tuner's Street? W: Yes. M: Is it very far from here? W: No, not very far. About an hour's walk. M: Are there any buses going there? W: Oh, yes, but the buses don't c...
A.
On his way to Turner's Street.
B.
In a bus to Turner's Street.
C.
At the bus stop.
【简答题】请拍摄一段视频,2人英语对话,讲一段在药房发生的故事~
【单选题】Mother me a nice present on my next birthday.
A.
me a nice present on my next birthday. will gives
B.
will give
C.
gives
D.
give
【简答题】民事法律行为有效的实质要件有哪些?
【单选题】Mother told me in a phone call that she had written to me a week before, but I haven’t received__________.
A.
one
B.
it
C.
something
D.
anything
【多选题】开口毛细管色谱柱在使用一段时间后出现柱效下降(分离能力降低、色谱峰扩张变形),可能的原因是( )。
A.
色谱柱进样端固定液流失
B.
色谱柱内固定液分布不均匀
C.
色谱柱内固定液性能改变
D.
流失的固定液污染了检测器
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