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【简答题】

完形填空 The great ship, Titanic , sailed for New York from Southampton on April 10th, 1912. She was _1 _ 1,316 passengers and a crew of 891. Even _2_ modern standards, the 46,000 ton Titanic was a huge ship. At that time, 3 , she was not only the largest ship that had 4 been built, but was regarded as 5 , for she had six watertight compartments.(轮船的密封舱)   Even if two of these were flooded, she _ 6 _ still be able to float. The _ 7 sinking of this great liner will always be remembered, for she went down on her first voyage with heavy _ 8 _ of life. Four days after setting out, __ 9 _ the Titanic was sailing 10 the icy waters of the North Atlantic, a huge iceberg was suddenly 11 by a lookout. After the alarm had been given, the great ship turned 12 to avoid a direct collision. The Titanic turned just in time, 13 missing the immense wall of ice which rose over 100 feet out of the water beside her. Suddenly, there was a slight trembling sound from 14 , and the captain went down to see what had happened. The noise had been so 15 that no one thought that the ship had been 16 . Below, the captain 17 to his horror that the Titanic was sinking rapidly, for five of her six watertight compartments had already been 18 ! The order to 19 ship was given and hundreds of people jumped into the icy water. As there were not enough lifeboats for 20 , 1,500 lives were lost. (     )1. A. carrying (     )2. A. in (     )3. A. but (     )4. A. only (     )5. A. uncomfortable (     )6. A. will (     )7. A. tragic (     )8. A. harm (     )9. A. when (     )10. A. along (     )11. A. spotted (     )12. A. sharply (     )13. A. suddenly (     )14. A. above (     )15. A. faint (     )16. A. destroyed (     )17. A. realized (     )18. A. challenged (     )19. A. abandon (     )20. A. somebody B. taking B. on B. because B. still B. unbearable B. would B. fortunate B loss B. while B. over B. recognized B. directly B. narrowly B. under B. small B. ruined B. achieved B. protected B. advance B. anybody C. bringing C. to C. therefore C. ever C. unsinkable C. should C. unsuccessful C. damage C. until C. on C. exposed C. deeply C. immediately C. beside C. slim C. damaged C. confirmed C. removed C. absorb C. everybody D. D. by D. however D. even D. unbelievable D. could D. amusing D. suffering D. though D. across D. uncovered D. hugely D. slightly D. below D. tiny D. hurt D. proved D. flooded D. absolute D. nobody

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题目标签:密封
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举一反三

【单选题】内流式和外流式机械密封是按()分的。

A.
介质泄漏的方向
B.
摩擦副的数目及分布
C.
弹簧数目
D.
弹簧的运动状态

【单选题】用于中空玻璃的第一道密封。

A.
干挂石材幕墙用环氧胶黏剂
B.
丁基热熔密封胶
C.
聚硫密封胶
D.
防火密封胶