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【多选题】
第三方支付充当的角色有( )A.
结算机构
B.
网关代理
C.
信用中介
D.
资金媒介
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】World Expo 2010 Shanghai China _ people from all over the world to the theme 'Better City,Better Life'. [ ]
A.
attends
B.
attracts
C.
allows
D.
advises
【单选题】.The company ______ a survey to find out customers’ reaction to the new products.
A.
concerned
B.
conducted
C.
predicted
D.
previewed
【单选题】______ is _____ the students to find out the meaning and the usage of new words.
A.
What a dictionary does; help
B.
What dictionary does; to help
C.
How a dictionary does; help
D.
All that a dictionary does; helps
【单选题】All has proved that World Expo 2010 Shanghai China is quite .
A.
active
B.
helpful
C.
proud
D.
successful
【简答题】[121-122] 121.诺氟沙星的化学结构是 122.环丙沙星的化学结构是
【单选题】We'll visit Expo 2010 Shanghai this Sunday _______ it rains or it's very hot. [ ]
A.
since
B.
if
C.
unless
D.
until
【单选题】I _____ to Expo 2010 Shanghai last weekend. [ ]
A.
go
B.
am going
C.
has gone
D.
went
【简答题】自由基聚合的特征为 , , , 。
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