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【单选题】
分离外血单个核细胞常用的分层液是A.
Percoll分层液
B.
Ficoll分层液
C.
(NH\r\n 4 \r\n)\r\n 2 \r\nSO\r\n 4
D.
NaCl
E.
CaCO\r\n 3
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举一反三
【单选题】In what way did Douglas change as a result of the trip?
A.
He developed more interest in people.
B.
He became more ambitious.
C.
He began to notice more things around him.
【单选题】When a single entity makes purchases or sales in a foreign currency, it will be necessary to translate the transactions into its functional currency before the transactions can be included in its fina...
A.
(2) and (4)
B.
(1) only
C.
(3) only
D.
(1) and (3)
【单选题】According to the speaker, in what ways did Chinese students learn English?
A.
Chinese students practice their English by screaming it.
B.
Chinese students practice their English by laughing it.
C.
Chinese students practice their English by writing it.
【单选题】What did the campaign ask Chinese people to do?
A.
To visit more tourist attractions in Britain.
B.
To name British tourism landmarks in Chinese.
C.
To translate lots of English names into Chinese.
D.
To choose the best tourist attractions in Britain.
【简答题】第一章 基础知识2019-上机练习-题目.docx
【简答题】foreign currency deposits
【简答题】吸湿性是指塑料对（ ）的亲疏程度。A. 水
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