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【多选题】
一般说来,一种性能良好的清洗剂应当具有以下特点:
A.
脱脂效率高,对油脂、松香及其它树脂有较强的溶解能力。
B.
表面张力小,具有较好的浸润性。
C.
残留量低,清洗剂本身也不污染印制板
D.
不燃、不爆、低毒性,利于安全操作,也不会对人体造成危害。
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举一反三
【单选题】中国药典的英文名称及其缩写是( )
A.
Pharmacopoeia,PhP
B.
Pharmaceutical Analysis,PA
C.
Pharmacy,ph
D.
China Pharmacopoeia,CP
E.
Chinese Pharmacopoeia,ChP
【单选题】The Chinese government has been in close contact with the authorities of HKSAR in dealing with the accident________ more than thirty people were killed .
A.
where
B.
when
C.
which
D.
why
【简答题】With the advent of Internet, many students study with the help of the Internet while others still prefer to use the library as a reliable source. Which one do you prefer? Write a composition of about ...
【单选题】《中国药典》的英文名称及缩写为
A.
China Pharmacopoeia,ChP
B.
Pharmacopoeia of the People's Republic of China,Ch.P.
C.
Pharmaceutical Analysis,PhA
D.
Chinese Pharmacopoeia,Ch. P.
E.
Pharmacopoeia of the China,ChP
【单选题】With the fall in the number of students studying science, we will have lost many with the potential for intellectual ______.
A.
creativity
B.
credentials
C.
recreation
D.
credibility
【单选题】Typically, these are concern with the establishment of(66)the network and with the control of the flow of messages across this channel. The provision of such facilities is only part of the network req...
A.
communication channel access
B.
protocols
C.
data channel
D.
public communication
【判断题】“不卑不亢”是涉外礼仪的一项基本原则。
A.
正确
B.
错误
【单选题】( )是会展人员涉外礼仪的一项基本原则。
A.
维护形象
B.
不卑不亢
C.
女士优先
D.
尊重隐私
【单选题】你 既然 决定离开, 就 快走吧! !كېتىشىڭنى قارار قىلغانىكەنسەن،تېز ماڭ
A.
假设复句
B.
转折复句
C.
目的复句
D.
条件复句
【单选题】关于涉外礼仪的基本原则下列描述正确的一项是
A.
遵时守约
B.
女士优先
C.
以左为尊
D.
尊重他人隐私
E.
求同存异
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