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【简答题】
一台机器一般由部分、 部分和 部分组成。
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反馈参考答案：
举一反三
【单选题】在泵 一 缸回油节流调速回路中,三位四通换向阀处于不同位置时,可使液压缸实现快进一工进—端点停留—快退的动作循环。试分析:在( )工况下,缸输出功率最小。
A.
快进
B.
工进
C.
端点停留
D.
快退
【单选题】听力原文： The Russian Health Ministry reports that only one in ten Russian children can be considered healthy by the time they graduate from high school. In a report issued Friday, the ministry says the o...
A.
10%.
B.
13%.
C.
20%.
D.
90%.
【单选题】患者，女，45岁，有心肌缺血病史，经治疗后几年来一直健康。近日突然出现心慌，气短，数分钟后能自然缓解，如此每日可发作数次，发作时常伴有心绞痛的症状，经心电图检查诊为阵发性室上性心动过速，此时最好选用哪种药物治疗
A.
普鲁卡因胺
B.
硝苯地平
C.
维拉帕米
D.
索他洛尔
E.
普罗帕酮
【简答题】How did lohn show Anjali his true feelings?
【单选题】— ______? — About two days ago. [ ]
A.
When did the show start
B.
How did the show start
C.
Where did the show start
D.
What did the show start
【单选题】—_______? —About two days ago. [ ]
A.
When did the show start
B.
How did the show start
C.
Where did show start
【简答题】The founding of _ _ in 862 is traditionally taken as the birth of the Russian State
【单选题】女，45岁，有心肌缺血病史，经治疗后几年来一直健康。近日突然出现心慌，气短，数分钟后能自然缓解，如此，每日可发作数次，发作时常伴有心绞痛的症状。经心电图检查认为阵发性室上性心动过速，此时最好选用
A.
普鲁卡因胺
B.
硝苯地平
C.
维拉帕米
D.
索他洛尔
E.
普罗帕酮
【单选题】These pictures will show you____.
A.
how did Japanese Earthquake look
B.
how Japanese Earthquake looked like
C.
what did Japanese Earthquake look like
D.
what Japanese Earthquake looked like
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