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单选题
When using keyboard shortcuts, which keystroke combination allows users to erase a single word to the left of the cursor?（）
A
Ctrl + a
B
Ctrl + e
C
Ctrl + u
D
Ctrl + w
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单选题Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE? （）A
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slopeB
baseC
topD
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