第24题: [单项选择]由于花岗岩石中含有石英,在高温下会发生晶型转变,产生体积膨胀,因此花岗石()差。 A. 耐火性 B. 抗冻性 C. 吸水性 D. 可塑性 参考答案:A 答案解析:请注意,题干中已经将答案透露给了广大考生。题干中说花岗岩在高温条件下发生变化,因此其对温度很敏感,而题干只透露了高温条件,因此A答案耐火性是最佳选择。
第34题: [单项选择]The mood of the workers was pessimistic in that______. A. their plant would go to bankruptcy B. they would be unemployed temporarily C. new models and investment would bring about jobs cut D. they are confronting the threat of losing jobs 参考答案:D