9.??At the 1908 Olympics in London the Marathon race was held on a very hot day.The race started at Windsor Castle,one of the homes of the Royal Family,so that the Royal children could see the runners leave.The race was planned to continue ...

19.??Astronomers（天文学家） can tell just how hot the surface of the moon gets.The side of the moon toward the sun gets two degrees hotter than boiling water（沸水）.The night side reaches 243 degrees below zero（零度）.In an eclipse（月蚀...

14.??Two basic models of parental influence emerge from all this competition and variety,however.One, loosely based on Freudian ideas,has presented an image of the vulnerable child:children are sensitive beings,easily damaged not only by tr...

4.??Surprisingly,she'd slept,though her mind was (churning) when she went to bed. A. a total blank B. agitated C. confused D. sharp ...

4.??The inventor of spectacles probably lived in the town of Paris, Italy, around 1286, and was almost certainly a craftsman working in glass. But nobody knows his name. We only know this much about him because Friar Giordane preached a ser...

13. The currency options market, compared with the forward, can ___ a larger proportion of this sort of business. A. cover B. include C. shelter D. consist ...

15. 按照其需求特点的不同，企业生产的产品可以分为 和创新性产品两大类。 A. 销售性产品 B. 功能性产品 C. 生产性产品 D. 消费性产品 ...

23. 影响选址决策的因素有：经济因素、 、社会因素、自然因素。 A. 政治因素 B. 人员因素 C. 能力因素 D. 运输因素 ...

3. 国际标准化组织的英文缩写为（ ）。 A. ISO B. IEC C. ITU D. IATA ...

17. 指令的寻址方式采用跳跃寻址方式时，可实现（ ）。 A. 堆栈寻址 B. 程序的条件转移 C. 程序的无条件转移 D. 程序的条件转移或无条件转移 ...