皮皮学，免费搜题
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【多选题】
文献检索时采用以下( )方法可以筛选到更具有参考价值的文献?A.
选取核心期刊刊登的文献
B.
选取下载次数和被引次数较高的文献
C.
选取权威专家的文献
D.
选取近几年发表的文献
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】听力原文：M: Hi, Anne. How is your paper? W: What paper? M: You forgot it? The paper we are going to hand in this Friday. Professor Smith assigned it. W: Oh, I see. I finished it last week. How is yours? M...
A.
The man.
B.
The woman.
C.
Both of them.
D.
Neither of them.
【多选题】以下尺度分别属于亲水活动(),邻水活动(),观景活动()。
A.
2＜s<=50m< /div>
B.
s>=50m
C.
0
【简答题】What size of paper would you like for copying?
【单选题】听力原文：W: Gosh! Have you seen this, Richard? M: Seen what? W: In the paper, it says there's a man going round pretending he's from the electricity board. He's been calling at people's homes, saying he's...
A.
A notice by the electricity board.
B.
Ads promoting electric appliances.
C.
The description of a thief in disguise.
D.
A new policy on pensioners' welfare.
【单选题】听力原文：W: Gosh! Have you seen this, Richard? M: Seen what? W: In the paper, it says there's a man going round pretending he's from the electricity board. He's been calling at people's home, saying he's ...
A.
An accident.
B.
A man.
C.
An old lady.
D.
A theft.
【简答题】听力原文：W: What size do you wear, sir? M: Size 10 seems a little bigger, and size 6 must be small. I want to try an 8. Q: Which size may be suitable for the man? (4) D．None of the above.
相关题目：
【多选题】以下尺度分别属于亲水活动(),邻水活动(),观景活动()。
A.
2＜s<=50m< /div>
B.
s>=50m
C.
0