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【单选题】
竹片脚手板的厚度不得小于50mm，螺栓不得大于10mm，螺栓应拧紧。竹片脚手板的长度以（）m、宽度以400mm为宜。竹笆脚手板应按其主竹筋垂直于纵向水平杆方向铺设，四角应采用直径1.2mm镀锌铁丝固定在纵向水平杆上。A.
2.0～2.1
B.
2.0～2.2
C.
2.1～2.2
D.
2.2～2.3
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【单选题】When you think creatively and analytically about a problem, you can be said to be using .
A.
your intuition
B.
a whole-brain mindset
C.
your digital proclivities
D.
an optimistic (yellow hat) framework
【单选题】华法林可能参与哪些凝血因子的蛋白质末端谷氨酸残基的γ羧化作用,使这些因子具有活性( )
A.
Ⅱ、Ⅶ、Ⅸ、Ⅹ
B.
Ⅱ、Ⅴ、Ⅶ、Ⅸ
C.
Ⅱ、Ⅴ、Ⅸ、Ⅹ
D.
Ⅱ、Ⅴ、Ⅶ、Ⅹ
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