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【判断题】
下例音的级数书写正确吗? 第二级 第五级 第三级 第二级A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】From the conversation between Manny and Mr. Ray at the grocery store several months later , which of the following is not true?
A.
Mr. Ray was badly ill.
B.
Mr. Ray thought he was not a humorous teacher.
C.
Mr. Ray didn't have much time left to live.
D.
Manny thought Mr. Ray was a humorous teacher.
【单选题】用反证法证明命题“设 为实数，则方程 至少有一个实根”时，要做的假设是（ ）
A.
方程 没有实根
B.
方程 至多有一个实根
C.
方程 至多有两个实根
D.
方程 恰好有两个实根
【单选题】心力衰竭与心率变化的相互关系，不正确的是
A.
心率增快为心力衰竭早期的代偿之一
B.
心率增快增大心肌耗氧量
C.
心率过快可使心室舒张期充盈受限
D.
心率增快为心力衰竭诱因之一
E.
心率越快，心排血量越多
【单选题】Mr. Grace ran all the way up to the lecture room only ______ that the lecture was over 15 minutes ago.
A.
to find
B.
finding
C.
found
D.
finds
【简答题】We must l (限制)our spending.
【单选题】According to the conversation between Manny and Mr. Ray at the grocery store several months later. which of the following is not true?
A.
Mr. Ray was badly ill.
B.
Mr. Ray thought he was not a humorous teacher.
C.
Mr. Ray didn't have much time left to live.
D.
Manny thought Mr. Ray was a humorous teacher.
【单选题】心力衰竭与心率变化的相互关系中，不正确的是（）
A.
心率增快为心力衰竭早期的代偿之一
B.
心率增快为心力衰竭诱因之一
C.
心率增快可使心室舒张期充盈受限
D.
心率增快可使心肌耗氧量增大
E.
心率越快，心排血量越多
【简答题】Mr. James worked as a gym teacher, and in his off hours, he lifted weights, ran and played soccer.
【单选题】以下关于心率的监测错误的是
A.
通过心率监测可以判断心排血量
B.
求算休克指数
C.
估计心肌耗氧
D.
心率越快心则排血量越大
E.
心脏停搏4秒钟之内监护仪即会报警
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