有定义语句：int a=1,b=2,c=3,x;，则以下选项中各程序段执行后，x的值不为3的是（ ）。
A．if (c＜a) x=1; else if (b＜a) x=2; else x=3;
B． if (a＜3) x=3; else if (b＜a) x=2; else x=1;
C． if (a<3) x=3; if (a<2) x=2; if (a<1) x=1;
D．if (a＜b) x=b; if (b＜c) x=c; if (c＜a) x=a;
参考答案：C
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）：
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. |