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【单选题】
胺醇剂量过大引起手指震颤的原因是:A.
阻断骨骼肌β2受体
B.
激动骨骼肌N2受体
C.
激动骨骼肌慢收缩纤维的β2受体
D.
激动中枢胆碱受体
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【简答题】Tom Smith was a writer. He wrote detective stories for magazines. One evening he could not find an end for a story. He sat with his typewriter in front of him, but he had no ideas. So he decided to go...
【单选题】按照标准·普尔公司债券信用评级的标准,具有“投资级债券”的是( )。
A.
B级以上的信用等级
B.
BB级以上的信用等级
C.
BBB级以上的信用等级
D.
C级以上的信用等级
【单选题】He found he could no longer cope with his ___________ job.
A.
ever-changing
B.
cathartic
C.
surefire
D.
demanding
【单选题】He hasn’t found a job yet because he had no ________ to anybody who could help him.
A.
approach
B.
application
C.
access
D.
approval
【单选题】下列关于分组交换机和转发表的说法错误的是________
A.
分组交换网中的交换机称为分组交换机或包交换机
B.
每个交换机均有转发表，用于确定收到的数据包只从哪一个端口转发出去
C.
交换机中转发表的路由器信息是固定不变的
D.
交换机的端口有的连接计算机，有的连接其它交换机
【简答题】论述岩体力学法的基本出发点是什么?采用哪种计算模式?
【简答题】2-16 请列举开路电压Voc和短路电流isc的求解方法?
【单选题】He tried to return to work, but found he could no longer cope with his _____ job.
A.
demand
B.
demanded
C.
demanding
D.
requiring
【单选题】选最佳的词填空。 He found he could no longer cope with his ___________ job.
A.
ever-changing
B.
cathartic
C.
surefire
D.
demanding
【简答题】He tried to return to work, but found he could no longer cope with his job. (demand)
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