更多"[不定项选择题]平行移动方式的突出优点是充分利用平行作业的可能，使生产"的相关试题:
[不定项选择题]平行移动方式的突出优点是充分利用平行作业的可能，使生产周期达到最短。
91、某某企业有一台模具加工设备，原值为32000元，根据有关资料，其逐年维持费用Yt和逐年实际残值Ln(n =1、2、3、4、5)均为已知值，如下表所示：
根据以上资料，回题：3
确定该设备的最佳更新期的方法有 ()。
A.低劣化数值法
B.最少费用法
C.费用积累法
D.面值法
[不定项选择题]三角形∶平行四边形
A.正方形∶平行线
B.圆形∶扇形
C.线段∶射线
D.梯形∶五边形
[不定项选择题]根据货物的移动方向，国际贸易可分为（ ）。
A.服务贸易
B.过境贸易
C.出口贸易
D.进口贸易
[不定项选择题]移动平均值背离指标（MAC
D）由（ ）两个部分组成。
Ⅰ.加权平均数
Ⅱ.离差值
Ⅲ.异同平均数
Ⅳ.标准差
A.Ⅰ.Ⅱ
B.Ⅱ.Ⅲ
C.Ⅰ.Ⅲ
D.Ⅱ.Ⅳ
[不定项选择题]关于移动平均值背离指标（MAC
D）的说法正确的是（ ）
Ⅰ.MACD由离差值和异同平均数两部分组成
Ⅱ.离差值是核心
Ⅲ.异同平均数是辅助
Ⅳ.正负差也称为离差值
A.Ⅰ.Ⅱ.Ⅲ
B.Ⅰ.Ⅱ.Ⅳ
C.Ⅰ.Ⅲ.Ⅳ
D.Ⅰ.Ⅱ.Ⅲ.Ⅳ
[不定项选择题]防止牙根向冠方移动（ ）。
A.斜行组
B.牙槽嵴组
C.根尖组
D.根间组
E.越隔组
[不定项选择题]乙脑的传播方式是
A.土壤传播
B.血液和体液传播
C.吸血节肢动物传播
D.消化道传播
E.呼吸道传播
[不定项选择题]最常见的转运方式
A.主动转运
B.促进扩散
C.膜孔扩散
D.膜动转运
E.被动转运
[不定项选择题]测题常见的排列方式有( )
A.并列直进式
B.公共汽车式
C.混合螺旋式
D.专列式
[不定项选择题]共用题干
Animal's “Sixth Sense”
A tsunami（海啸）was triggered（引发）by an earthquake in the Indian Ocean in December, 2004.It killed tens of thousands of people in Asia and East Africa. Wild animals,1， seem to have escaped that terrible tsunami. This phenomenon adds weight to notions that they possess a“sixth sense” for2 ,experts said.
Sri Lankan wildlife officials have said the giant waves that killed over 24,000 people along the Indian Ocean island's coast clearly 3 wild beasts,with no dead animals found.
“No elephants are dead,not4a dead rabbit. I think animals can5 disaster.
They have a sixth sense. They know when things are happening,”
H.
D. Ratnayake,deputy director of Sri Lanka's Wildlife Department,said about one month after the tsunami attack. The6washed floodwaters up to 2 miles inland at Yala National Park in the ravaged（被 毁坏的）southeast, Sri Lanka's biggest wildlife7and home to hundreds of wild elephants and several leopards（豹）.
“There has been a lot of8 evidence about dogs barking or birds migrating before volcanic eruptions（火山爆发）or earthquakes. But it has not been proven ,” said Matthew van Lierop,an animal behavior 9 at Johannesburg Zoo.
“There have been no10studies because you can't really test it in a lab or field setting , ” he told Reuters. Other authorities concurred（同意）with this11.
“Wildlife seem to be able to pick up certain12 ,especially birds…there are many re- ports of birds detecting impending（迫近的）disasters , ” said Clive Walker , who has written several books on African wildlife.
Animals13 rely on the known senses such as smell or hearing to avoid danger such as predators（食肉动物）.
The notion of an animal “sixth sense”一or14other mythical power一is an enduring one which the evidence on Sri Lanka's ravaged coast is likely to add15.
9._________
A.specialist
B.guy
C.supporter
D.sponsor
