Be careful with fire, or it will ________ the whole building.

A. burn down 　　 B. burn for 　　　　 C. burn up　　 　　　 D. burn in

完形填空

　　It seemed that nothing had happened when dawn came. But they soon 1 that the entire boat was surrounded in ice. The captain had fallen 2 so the rest of the crew hurriedly woke him. He took a small axe with great care, 3 make a hole 4 the deck（甲板）, and he began to knock the ice away. From time to time a wave burst over the boat and swept over him but he 5 on working for ten minutes 6 the others looked that anxiously. By this time he was so cold that he could 7 trust his grip（紧握力）or balance.

　　Each member of the crew took 8 in turn to cut the ice away for 9 he could bear it. First, they 10 knock off enough ice to get on their knees. Standing up on that rolling deck would have been committing suicide（自杀）because a man who had fallen overboard 11 .

　　Then the captain discovered that ice was forming inside the cabin（船舱）. He 12 one of the crew and together they 13 to get the stove 14 in the hope that it would 15 enough heat to warm the cabin above freezing point. Unless the ice in the bottom could be melted enough so that it could be pumped out, they were in danger of 16 .

　　It 17 an hour’s work before the boat began to float better. But during this time they succeeded in getting rid of the most of the ice.

　　Throughout the afternoon, the coating of the ice began to build up again 18 they tried their best. In the face of this new danger, Captain Slater decided that it was 19 dangerous to gamble（孤注一掷）on the chance 20 the boat would survive（幸存）until the next morning. Once more, he ordered the crew to clear ice. Then they settled down to wait for another day.

完形填空

　　It seemed that nothing had happened when dawn came. But they soon 1 that the entire boat was surrounded in ice. The captain had fallen 2 so the rest of the crew hurriedly woke him. He took a small axe with great care, 3 make a hole 4 the deck（甲板）, and he began to knock the ice away. From time to time a wave burst over the boat and swept over him but he 5 on working for ten minutes 6 the others looked that anxiously. By this time he was so cold that he could 7 trust his grip（紧握力）or balance.

　　Each member of the crew took 8 in turn to cut the ice away for 9 he could bear it. First, they 10 knock off enough ice to get on their knees. Standing up on that rolling deck would have been committing suicide（自杀）because a man who had fallen overboard 11 .

　　Then the captain discovered that ice was forming inside the cabin（船舱）. He 12 one of the crew and together they 13 to get the stove 14 in the hope that it would 15 enough heat to warm the cabin above freezing point. Unless the ice in the bottom could be melted enough so that it could be pumped out, they were in danger of 16 .

　　It 17 an hour’s work before the boat began to float better. But during this time they succeeded in getting rid of the most of the ice.

　　Throughout the afternoon, the coating of the ice began to build up again 18 they tried their best. In the face of this new danger, Captain Slater decided that it was 19 dangerous to gamble（孤注一掷）on the chance 20 the boat would survive（幸存）until the next morning. Once more, he ordered the crew to clear ice. Then they settled down to wait for another day.

Be careful with fire, or it will____ the whole building.

A. burn down　　　 B. burn for　　　 C. burn up　　　　 D. burn in

I saw him tearing　　  the cover of the parcel.

A.off　　　　B.at　　　　C.down　　　　D.apart