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【多选题】
证券投资风险的来源包括( )A.
市场风险
B.
通货膨胀风险
C.
利率风险
D.
汇率风险
E.
流动性风险
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】Chinese customers have started to ( ) from imported art paper to locally made paper.中国顾客的兴趣已经开始从进口纸转向了当地制造的纸张。
A.
sweet
B.
switch
C.
swift
D.
sweat
【单选题】Not until he failed the exam _______he had left his books untouched .
A.
did he realize
B.
had he realized
C.
he realized
D.
he had realized
【单选题】关于主键以下说法错误的是 。
A.
Access 2003并不要求每一个表中都必须包括一个主键。
B.
在一个表中只能指定一个字段为主键。
C.
在输入数据或对数据进行修改时，不能向主键的字段输入相同的值。
D.
利用主键可以加快数据的查找速度。
【单选题】It’s high time you . [ ]
A.
start to work
B.
would start to work
C.
had started to work
D.
started working
【单选题】Not until he left his home _____ to know how important the family was for him.
A.
did he begin
B.
had he begun
C.
he began
D.
he has begun
【简答题】The story I am going to tell you happened about three years ago when I started to learn how to drive. At first, I was very frightened, and I thought I could never learn how to drive a car. Driving a c...
【单选题】Not until he left home ________ the importance of his family.
A.
he realised
B.
did he realise
C.
he did realise
D.
realised he
【单选题】It's high time you _____.
A.
start to work
B.
would start to work
C.
started to work
D.
had started to work
【简答题】Before Carol started to work，she learned how to
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