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【单选题】
被人合称 “ ”的诗人是( )A.
、
B.
、
C.
、
D.
、
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皮皮学刷刷变学霸
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【单选题】两根长度相等、直径不等的圆轴受扭后,轴表面上母线转过相同的角度。设直径大的轴和直径小的轴的横截面上的最大剪应力分别为τ1max和τ2max,材料的切变模量分别为G1和G2。关于τ1max和τ2max的大小,有下列四种结论,请判断哪一种是正确的。
A.
τ1max > τ2max
B.
τ1max < τ2max
C.
若G1>G2，则有τ1max > τ2max
D.
若G1>G2，则有τ1max < τ2max
【单选题】Once the WHO approves the final version of the treaty, the member states__。
A.
can only change the wording of the treaty if it's inconsistent with their constitutions
B.
cannot make any change about the treaty
C.
must accept the treaty
D.
will make necessary changes in their constitutions
【多选题】下列关于膨胀阀的制冷系统描述正确的是()。
A.
主要包括压缩机、冷凝器、储液干燥罐、膨胀阀和蒸发器和管路等主要部件
B.
蒸发器出来的气态制冷剂再进入储液干燥罐
C.
蒸发器外部的风扇使空气不断通过蒸发器的缝隙,其温度下降
D.
膨胀阀可以根据制冷负荷的大小调节制冷剂的流量
【单选题】The _____ was the treaty signed at Versailles, near Paris in France in 1919.
A.
Paris Treaty
B.
Versaills Treaty
C.
Teheran Treaty
D.
Yalta
【单选题】Once the WHO approves the final version of the treaty, the member states_________.
A.
can only change the wording of the treaty if it is inconsistent with their constitutions
B.
cannot make any change about the treaty
C.
must accept the treaty
D.
will make necessary changes in their constitutions
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