把下列单词填入每个句子的空白处（注意所填单词的形式变化）：
shake rise smelly pond burst canal steam ruin injure destroy brick dam shock rescue electricity disaster organize bury mine shelter fresh speech judge honour prepare
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1 Let me write it down while it is still _________ in my mind.
2 Without __________ our life would be quite different today.
3 He got _________ in the right leg while playing foofball last week.
4 When an earthquake comes people can feel the house _________.
5 At Jerry’s party, Mr Smith delivered an amusing _________.
6 If a nuclear war should break out, it would bring a great _________ to man.
7 Most of the buildings _________ in the earthquake.
8 From yesterday on the temperature began to _________.
9 Never _________ a person only by his clothes.
10 Our class went on an _________ trip last Monday.
11 Stones and _________ are used to build a house.
12 The water in the small _________ froze and kids skated on it.
13 The clothes of those who smoke a lot are often __________.
14 Li Siguang is __________ as the father of geology in China.
15 After getting hanged Saddam Husin _________ in his home town.
16 Three Gorges (峡)________ on the Changjiang River is a great project in the world.
17 Reading the letter, she _________ out crying.
18 The students are busy __________ for the New Year’s Day Evening.
19 Hundreds of workers were killed in the coal _________ accidents last year.
20 He was greatly _________ at the news of his uncle’s death.
21 The Grand ________ was built during the Sui Dynasty(隋朝).
22 It looks like rain. We’d better seek _________ from the rain.
23 Five soliders were sent to _________ those skiers trapped in the snow.
24 _________ can be seen rising from the boiling kettle(水壶).
25 The bad weather _________ our trip.
且a≠1），存在实数m＜n使不等式f（x）＞0的解集为（m，n），则a的取值范围是 ．
轴，短轴所在直线为
轴，建立平面直角坐标系，如图所示：
如图，已知正方体ABCD-A1B1C1D1中，E、F分别为D1C1、B1C1的中点，AC∩BD=P，A1C1∩EF=Q，若A1C交平面DBFE于R点，试确定R点的位置．
