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表达式 int(40.5) 的值为______ 。

8，12，18，27，()。 A: 39 B: 37 C: 40．5 D: 42．5

下列选项为某变速器一、二、三、四挡的传动比，则三挡的传动比为（）。 A: 0.969 B: 1.286 C: 1.944 D: 3.455

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“十二五”期间，贵州生态建设成效最好, 森林覆盖率达40.5%。

下列选项中,能够一次性向student表中添加三条记录的SQL语句是 A: INSERT INTO student VALUES (6,'lilei',99);(7,'hanmeimei',100);(8,'poly',40.5); B: INSERT INTO student VALUES (6,'lilei',99) (7,'hanmeimei',100) (8,'poly',40.5); C: INSERT INTO student VALUES (6,'lilei',99),(7,'hanmeimei',100),(8,'poly',40.5); D: INSERT INTO student VALUES (6,'lilei',99) VALUES(7,'hanmeimei',100) VALUES(8,'poly',40.5);

过高热的体温（口腔）高达多少度？（） A: 38℃ B: 40.5℃ C: 39℃