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【单选题】
PG属于下列哪类物质?( )
A.
胺类
B.
肽类
C.
蛋白质
D.
固醇类
E.
脂肪酸衍生物
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皮皮学刷刷变学霸
举一反三
【简答题】A.The well. B.The wheels. C.The ears. D.His ears.
【单选题】"Trade agreements grease the wheels of importing and exporting". The phrase "grease the wheels" means .
A.
to keep the balance of something
B.
to make something go well or go on smoothly
C.
to interfere with the development of something
D.
to negotiate about something
【单选题】变压器的其它条件不变,仅将原、副边线圈匝数增加 10 %,一次侧的漏电抗将( )
A.
增加21%
B.
减小10%
C.
增加略大于10%
D.
增加略小于21%
【简答题】简述 制冷剂的压焓图的“一点”、“三区”、“五态”、“八线”分别是什么含义?
【判断题】创建账套过程中若不勾选“按行业性质预置科目”复选框,则系统只提供一级科目。
A.
正确
B.
错误
【判断题】创建账套过程中若不勾选“按行业性质预置科目”复选框,则系统只提供一级科目。
A.
正确
B.
错误
【判断题】they are the central shafts connecting the wheels to the frame → wheels
A.
正确
B.
错误
【单选题】We can learn from the text that the wheels of the Grout Portable .
A.
were difficult to separate
B.
could be split into 6 pieces
C.
were fitted with solid tyres
D.
were hard to carry on a train
【单选题】以下哪项正常腹部体检时不能触到:
A.
腰椎椎体
B.
肠系膜淋巴结
C.
乙状结肠
D.
盲肠
E.
横结肠
【单选题】The carried power from the engine crankshaft to the car wheels so the wheels rotate and car moves.
A.
steering system
B.
running system
C.
power train
D.
brake system
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