在工程经济研究中，财务分析主要包括（）。

A.盈利能力分析。分析和预测项目计算期的盈利能力和盈利水平

B.资金周转能力分析

C.抗风险能力分析。分析项目在建设和生产期可能遇到的不确定性因素和随机因素对项目经济效果的影响程度，考察项目承受各种投资风险的能力，提高项目投资的可靠性和盈利性

D.清偿能力分析。分析、测算项目偿还贷款的能力和投资回收的能力

E.资金筹集能力

Scientists are carrying __小题1:_____ experiments into using spiders’ cobweb to produce __小题2:____(extreme ) thin wire. The research _小题3:____( conduct) by researchers from Germany. They have developed __小题4:___process for reducing spiders’ silk _小题5:___about one twentieth of its normal diameter.

__小题6:___ is hoped that this new wire will be effective in the __小题7:____(grow) field of micro-electronics. They have collected data on the properties of spider silk. Their work has found evidence _小题8:____ the silk of the black widow spider would be the __小题9:____ (idea)material for the new “nanowires”. It seems even the deadly black widow can serve the cause __小题10:___ the scientific progress.