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【单选题】
跑步两臂前后自然摆动，向前摆臂时，大臂略垂直，肘部贴于腰际，小臂略平，稍向里合，两拳内侧各距衣扣线约（）厘米。A.
2
B.
5
C.
10
D.
15
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皮皮学刷刷变学霸
举一反三
【单选题】When a student has something in his mind and he should ignore the irrelevant parts when reading, which of the following strategies can be used?
A.
Skimming
B.
Detailed reading
C.
Scanning
D.
Predicting
【简答题】低合金高强度结构钢中,一般含碳量不超过 。
【单选题】Which of the following should be the FIRST step in removing a generator from parallel operation?
A.
Trip the generator off the switchboard
B.
Turn off all electrical equipment
C.
Remove the load from the 'off going' generator
D.
Increase the cycles of the generator staying on the line
【单选题】Which is false about engine trials?
A.
engine trails should be done after finishing the operation of turning the engine with the turning gear and starting the engine on air briefly
B.
in the operation of engine trails, the main engine should be running in low-speed
C.
As to the ship equipment with twin main engine, engine trials should be done with one engine ahead and another engine astern at the same time
D.
the order “engine trials” should be given by the bridge
【简答题】兵马俑俑坑中主要类型有——，——，——，——，——，——。
【简答题】阅读理解。 The guarantee on this water heater is in effect only when the heater is installed and operated in accordance with these instructions. Read these instructions thoroughly before starting. Location...
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