单项选择题 病都是被“吓”出来的，所以我们要有保持平常心。（ ）

单项选择题 Which one of the following would not be valid grounds for a provision?A、A company has a policy has a policy of cleaning up any environmental contamination caused by its operations, but is not legally obliged to do so. B、A company is leasing an office building for which it has no further use. However, it is tied into the lease for another year. C、A company is closing down a division. The Board has prepared detailed closure plans which have been communicated to customers and employees. D、A company has acquired a machine which requires a major overhaul every three years. The cost of the first overhaul is reliably estimated at $120,000.

多项选择题 给宠物SPA的好处主要有() A、宁神 B、运动 C、清洁和滋养 D、驱虫和除臭

判断题 橡皮布的伸长率取决于纤维织布层的密度和结构强度。印刷要求其伸长率越小越好，通常张紧在橡皮滚筒上时应在2%以下。

问答题 当钢尺的实际长度_______于名义长度时，测量结果偏小。

单项选择题 纹孔道存在于下述哪类细胞壁上__________ A. 石细胞 B. 纤维 C. 厚角组织细胞 D. 传递细胞

单项选择题 固定式取水构筑物设计时应考虑远期发展的需要，土建工程一般按远期设计。（ ）

单项选择题 主机箱至主板的连接线的线端插座上,英文名称SPEAKER表示( )。 A. 电源“开关” B. 扬声器/蜂鸣器 C. 复位 D. 硬盘运行指示灯

不定项选择 隋唐时期初步奠定了中国饮食文化的基础，建立了初步的医食相关理论。（）

判断题 Ruby、Sapphire为全新技术产品，发展潜力很大。 正确 错误