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【单选题】
主管全国药品质量安全监督管理的部门是
A.
商务部
B.
国家药品监督管理局
C.
国家医疗保障局
D.
国家卫生健康委员会
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参考答案:
举一反三
【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最大切应力分别为t1max和t2max,材料的切变模量分别为G1和G2。关于t1max和t2max的大小,请判断哪一个是正确的。( )
A.
若G1>G2,则有 t 1max > t 2max
B.
t 1max > t 2max
C.
t 1max < t 2max
D.
若G1>G2,则有 t 1max < t 2max
【简答题】A.trend B.tread C.trench D.treaty
【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】检查调整行车制动踏板自由行程和驻车制动自由行程是汽车底盘( )维护作业内容。
A.
一级
B.
二级
C.
日常
D.
特殊
【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
【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
【单选题】Which treaty is commonly thought of as the start of the modern international system?
A.
Treaty of Versailles
B.
Treaty of Paris
C.
Treaty of Rome
D.
Treaty of Westphalia
【单选题】两根长度相等、直径不等的圆轴承受相同的扭矩受扭后,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τ 2 max ,剪切弹性模量分别为G1和G2。则 ( )
A.
τ1max >τ2 max
B.
τ1max <τ2 max
C.
若G1>G2,则有τ1max>τ2 max
D.
若G1>G2,则有τ1max<τ2 max
【单选题】钙的最佳食物来源是
A.
乳制品
B.
钙片
C.
鱼肝油
D.
鸡蛋
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