A （）is at the end of the cargo runner for picking up the load.A、slingB、hookC、blockD、tackle
A （）is at the end of the cargo runner for picking up the load.
- A、sling
- B、hook
- C、block
- D、tackle
相关考题：
In the spoken English of some areas in the US, the "r" sounds at the end of thewords______.A. are droppedB. dropC. are being droppedD. have dropped
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单选题A （）is at the end of the cargo runner for picking up the load.AslingBhookCblockDtackle