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【单选题】
脑血栓形成常发生于A.
感觉风寒时
B.
剧烈运动时
C.
情绪激动时
D.
睡眠或安静时
E.
血压急剧上升时
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【简答题】Which season is this Heatpump-working for?A. Cooling season B. Heating season
【单选题】Which season is the author’s favorite season?
A.
spring
B.
summer
C.
autumn
D.
winter
【简答题】Which season is the peak tourist season ?
【简答题】某物料搬动机械手的结构如图所示，动作过程如图所示，要求机械手的操作方式分为手动方式和自动方式。机械手有升降、水平移动、手爪夹持等3个自由度，采用电磁阀控制的气缸驱动，PLC控制。要求写出物料搬动机械手设计和产品开发的详细工程路线。
【单选题】According to the passage which season is right?
A.
Spring is from January to March.
B.
The trees turn green in summer.
C.
Autumn is a busy season.
D.
We don't have many interesting sports in winter.
【单选题】When it is winter in China, which season is in Sydney?
A.
It is winter.
B.
It is spring.
C.
It is summer.
D.
It is autumn.
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