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【单选题】
无风险资产的特征有______。A.
它的收益是确定的
B.
它的收益率的标准差为零
C.
它的收益率与风险资产的收益率不相关
D.
以上皆是
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举一反三
【单选题】He often surfs the Internet for________
A.
interesting
B.
industry
C.
innovation
D.
information
【简答题】听录音，看图然后填空。 1. I often _____________ _____________ on _____________. 2. He often _____________ _____________ on _____________. 3. I often _____________ _____________ _____________ on _____________. 4....
【单选题】8只共阳数码管的字型码端a~dp分别对应相连接入单片机P0口,假设从P0口输出0x80,则
A.
只有第一只数码管得到4的字型码
B.
所有数码管得到4的字型码
C.
只有第一只数码管得到8的字型码
D.
所有数码管得到8的字型码
【单选题】It is _____ Tom often surfs the Internet playing games ______ makes his parents very angry.
A.
不填; that
B.
what; that
C.
that; that
D.
that; what
【单选题】I know what's going on with him because ______.
A.
he often visits me
B.
I often telephone him
C.
he writes to me now and then
D.
I live not far from him
【单选题】He’ businesslike and is often _______. I hope he will have more ______ at his business.
A.
success; successful
B.
successful; success
C.
successfully; successful
D.
successful; successful
【单选题】He is businesslike and is often _______. I hope he will have more _______ at his business.
A.
success; successful
B.
successful; success
C.
successfully; successful
D.
successful; successful
相关题目：
【单选题】He often surfs the Internet for________
A.
interesting
B.
industry
C.
innovation
D.
information