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【简答题】
关于钢筋混凝土偏心受压构件，下列描述正确的是（ ）。 (1)大小偏心受压破坏都属于材料破坏； (2)大小偏心受压破坏相同之处是截面最终破坏时都是受压区边缘混凝土达到其极限压应变值而被压碎： (3)判别大小偏心受压破坏可以观察截面受拉部分和受压部分谁先发生破坏； (4)界限破坏的特征是：在受拉钢筋应力达到屈服的同时，受压区混凝土被压碎，受压钢筋也达到屈服； (5)界限破坏属于受拉破坏形态。
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【单选题】All people, whether they be rich or poor, strong or weak, privileged or deprived ,are interdependent ,and ________ the common task of seeking to achieve mankind’s full potential.
A.
share in
B.
bring in
C.
take in
D.
call in
【单选题】A ll people, whether they be rich or poor, strong or weak, privileged or deprived, are interdependent, and ______ the common task of seeking to achieve mankind ’ s full potential.
A.
let in
B.
share in
C.
sell off
D.
buy up
【多选题】以下关于机械台班消耗定额的说法错误的是( )
A.
机械台班消耗定额包括有效工作时间、不可避免的中断时间和不可避免的空转时间等
B.
机械台班消耗定额有机械时间定额和机械产量定额两种表达形式
C.
机械时间定额与机械产量定额的乘积不等于1
D.
施工机械台班产量定额=机械1h纯工作正常生产率×工作纯工作时间×机械正常利用系数
E.
时间定额的单位是“台班”，一个台班是一台机械工作8个小时
【单选题】The boy didn't stop crying he saw his mother. A. when B. until C. since D. after
A.
1
B.
2
C.
3
D.
4
【简答题】The boy looked up timidly at his father who was sitting next to him, but he didn't stop crying. ______ anything, his crying became more intense.
【单选题】The boy looked up timidly at his father who was sitting next to him, but he didn't stop crying. __________, his crying became more intense.
A.
If nothing
B.
If not
C.
If everything
D.
If anything
【单选题】All people, whether they be rich or poor, strong or weak, privileged or deprived, are interdependent, and _____ the common task of seeking to achieve mankind’s full potential.
A.
share in
B.
take with
C.
take on
D.
turn on
【单选题】All people, whether they be rich or poor, strong or weak, privileged or deprived,are interdependent, and _______ the common task of seeking to achieve mankind's full potential.
A.
turn down
B.
think over
C.
live on
D.
share in
【简答题】在文克勒弹性地基分析中,划分有限长梁是依据()确定,若条形基础的该项值为2.78,试问该条形基础应按()计算。
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