单项选择题
The metal，teardrop-shaped object sometimes used within an eyesplice is a（）.
A.grommet B.reinforcement C.splice form D.thimble
单项选择题 The main advantage of a Chinese stopper over the one line stopper is that it（）.
单项选择题 The line with the most stretch is（）.
单项选择题 The latch of a safety hook（）.
