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【单选题】
某公司股票每股面值1元，每股市价5元，每股利润3元，每股获利25元，则该公司市盈率为( )。A.
16.7
B.
20
C.
0.167
D.
0.2
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举一反三
【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?
【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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