问题
单项选择题
估价报告的写作要求有( )。
A．全面性、主观性、准确性
B．简便性、客观性、准确性
C．主观性、准确性、概括性
D．全面性、客观性、概括性
答案
参考答案：D
解析：估价报告的写作要求有全面性、客观性、准确性和概括性。
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估价报告的写作要求有( )。
A．全面性、主观性、准确性
B．简便性、客观性、准确性
C．主观性、准确性、概括性
D．全面性、客观性、概括性
参考答案：D
解析：估价报告的写作要求有全面性、客观性、准确性和概括性。
Never try to work when you are very hungry .If you 36 your homework right after school, you may want to have a snack before getting to work. Always do your homework 37 you get tired.____38____wait until very late in the evening ,or the assignment(功课)will seem much 39 than it really is .Break your time into manageable(易处理的) period .If you have more than 40，give yourself a break after an hour .On the other hand ,don't break it up _41 that you can’t get anything done .You should be able to work at least half an hour at a time 42 .Don't put it off 43 the last minute .If you put off doing your homework ,you will always think of it ,and you won’t enjoy your 44 so much .If you put it off until the end of the week until right before a test ,you will have too much work to do for the exam .A little bit each night ,enough to keep up with what is happening each day in school ,will take the fear out of tests and keep you on top of it all .Do your hamework__45 every day .This will help you make it a habit .It will make it easier to do ,and it will make free time more enjoyable as well.
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（2）用调节好的天平测样石的质量，所用的砝码和游码的位置如图21乙所示，质量为_______g。用量筒测出样石的体积如图21丙所示，体积为_______cm3，样石的密度为_______g／cm3。