水手80题.doc

1. Usually, how many types of ship’s rope are there on the ship? A. Two types B. Three types C. Four types D. Five Types 2. _______is the strongest and most expensive of the natural fibers. A. Manila rope B. Tarred rope C. Cotton-hemp rope D. Nylon rope 3. Nowadays, Manila rope has largely been replaced by _______in most applications. A. Steel wire rope B. Tarred rope C. Cotton-hemp rope D. synthetic fiber rope 4. In the past, manila rope was used whenever great strength was required, but its use is now limited to general purpose work, such as _______. A. lashing the rope end B. only messengers C. only sling ropes D. messengers and sling ropes for work aloft. 5. _______is flexible, light, less strong and easy to be corrosive when damped. A. Manila rope B. Tarred rope C. Cotton-hemp rope D. Nylon rope 6. _______is only used for wrapping, for example, lashing rope end of steel wire before splicing. A. Manila rope B. Tarred rope C. Cotton-hemp rope D. Nylon rope 7. _______similar to Manila rope, but easy to be corrosive when the oil is dried. A. Manila rope B. Tarred rope C. Cotton-hemp rope D. Nylon rope 8. It is used for flag line and heaving line and so on. A. Manila rope B. Tarred rope C. Cotton-hemp rope D. Nylon rope 9. _______is braided and corrosive-resistant. It is more corrosive-resistant than Manila rope but less than synthetic fiber rope. A. Manila rope B. Tarred rope C. Cotton-hemp rope D. Nylon rope 10. Nowadays, there is a trend that the cotton-hemp rope is replaced by the _______ gradually. A. Steel wire rope B. Tarred rope C. Manila rope D. synthetic fiber rope 11. Synthetic fiber rope is made from synthetic fibers or _______. A. abaca fibers B. plant which grows in the Philippine Islands of the Pacific. C. Manila fibers D. man-made fibers 12. _______ have many advantages. They are strong and elastic and they are resistant to