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【单选题】
对于大体积混凝土,理想的骨料选择是( )A.
宜全部采用粗骨料
B.
最大尺寸粗骨料配两种或多种较细骨料
C.
宜全部采用细骨料
D.
最小尺寸细骨料配两种或多种粗骨料
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【多选题】下列关于融资租入固定资产计提折旧的说法,正确的有( )。
A.
融资租入的固定资产，应当采用与自有固定资产相一致的折旧政策
B.
能够合理确定租赁期届满时取得租赁资产所有权的，应当在租赁资产使用寿命内计提折旧
C.
无法合理确定租赁期届满时能否取得租赁资产所有权的，应当在租赁期与租赁资产使用寿命两者中较短的期间内计提折旧
D.
无法合理确定租赁期届满时能否取得租赁资产所有权的，应当在租赁期与租赁资产使用寿命两者中较长的期间内计提折旧
【单选题】---I apologized for_____ to tell you when and where the meeting will be held in advance.
A.
my being not able
B.
me not to be able
C.
my not being able
D.
me to be not able
【单选题】I apologized for ____ to tell you when and where the meeting will be held in advance. ----That’s all right.
A.
my being not able
B.
me not to be able
C.
my not being able
D.
me to be not able
【单选题】Feeling remorse over breaking the Sony Walkman, I apologized to my friend and promised to buy her a new one.
A.
excitement
B.
ambition
C.
regret
D.
fear
【单选题】I apologized __________ my parents __________ my dishonesty.
A.
to；for
B.
for；to
C.
to；to
D.
for；for
【单选题】Another incident that drew us closer was our first miscommunication, which resulted from Andy teasing ( 调侃 ) me and my taking him seriously and so getting offended. When later sharing details of our r...
A.
Friendship.
B.
Reassurance.
C.
Conversation.
D.
Concentration.
【简答题】My father and mother often apologized to our neighbors for my trouble- while I was still a young boy. A)小时候我父母经常为我惹的麻烦去向邻居们道歉。 B)我还很小，父母一遇到麻烦，就把我寄放在邻居家。 C)我还是个小孩的时候，我父母不怕麻烦，经常带我去邻居家玩。 D)我还是个小孩的时...
【简答题】已知一信号f(t)的频谱F(jw)的带宽为w1,则f2(2t)的频谱的带宽为___
【简答题】已知一信号f（t）的频谱F（jw）的带宽为w1，f（2t）的频谱带宽为
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