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【多选题】
净现值作为评价投资方案经济效果的指标,下列关于净现值的说法中,正确的有——。A.
净现值是反映投资方案在计算期内获利能力的动态评价指标
B.
互斥方案评价时，净现值必须慎重考虑互斥方案的基准收益率
C.
净现值能够以金额表示项目的盈利能力
D.
净现值直接说明在项目运营期各年的经营成果
E.
净现值考虑了资金的时间价值
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举一反三
【单选题】不没的天体其赤纬Dec应满足______。
【单选题】A: What did the doctor do?B: Well, first she really helped me to understand the __________ of Yin and Yang. I just always thought that was something you get a tattoo (纹身) of when you're in college.
A.
methods
B.
definition
C.
concept
D.
measures
【多选题】以下选项中,关于斜导柱抽芯机构装配要求说法不正确的是( )。
A.
滑块上的斜导柱孔口为圆环状
B.
滑块上的斜导柱孔口为圆形
C.
斜导柱外侧与滑块斜导柱孔应留有一定间隙
D.
斜导柱外侧与滑块斜导柱孔不留间隙
E.
闭模后滑块的上平面与定模底面应留有一定间隙
【单选题】Steve introduced me to the doctor ______ had helped him out when he was faced with mental stress.
A.
who
B.
whom
C.
that
D.
which
【单选题】斜导柱抽芯机构装配要求闭模后,斜导柱外侧与滑块斜导柱孔留有( )的间隙。
A.
0.05～0.1mm
B.
0.1～0.2mm
C.
0.2～0.5mm
D.
0.5～1.0mm
【单选题】以下选项中,关于斜导柱抽芯机构装配要求说法正确的是( )。
A.
斜导柱外侧与滑块斜导柱孔不留间隙
B.
闭模后滑块的上平面与定模底面齐平
C.
滑块上的斜导柱孔口为圆形
D.
斜导柱外侧与滑块斜导柱孔留有0.2～0.5mm的间隙
【简答题】The doctor helped me __________ my wound with alcohol. (alcohol, symptom, cleanse, remedy, pharmacy, dizzy, cough, thermometer, vitamins, painkillers)
【简答题】阅读以下请假条,然后填空 Oct. 18 Dear Miss Gao, I'm sorry I can't go to school today. I helped the farmers pick apples with my classmates on the farm yesterday. Unluckily, I fell off the ladder and hurt my leg, b...
【单选题】—How long have you known the doctor ? — he helped me three years ago.
A.
When
B.
Before
C.
Because
D.
Since
【简答题】编写程序实现10个 元素数组分别赋值1,2,3,4,5,6,7,8,9,10,之后逆序输出。输出格式为10 9 8 7 6 5 4 3 2 1 要求输出显示为:
相关题目：
【单选题】不没的天体其赤纬Dec应满足______。