In each inflatable rescue boat，what piece of equipment is provided to make quick，emergency，temporary repairs to a large hole in a raft?（）.
A. No equipment is provided
B. Glue and rubber patches
C. Several various-sized sealing clamps
D. Self-adhesive rubberized canvas patche
构成“维持横弓”的腱环是（）
A. 胫骨前肌和胫骨后肌“肌腱”
B. 腓骨长肌和腓骨短肌“肌腱”
C. 腓骨长肌和胫骨前肌“肌健”
D. 趾长屈肌和腓骨长肌“肌腱&rdquo
采用插入式振捣器对基础、梁、柱进行振捣时，要做到（）
A. 快插快拔
B. 快插慢拔
C. 慢插慢拔
D. 慢插快拔
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