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：
确定该设备的最佳更新期主要依据的是 ()。
A.经济寿命
B.使用寿命
C.技术寿命
D.自然寿命
[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"for_________(2),
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,not_________(4)a dead rabbit.I think animals can
_________(5)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.The_________(6)washed floodwaters up to
2 miles inland at Yala National Park in the ravaged（被毁坏的）southeast, Sri Lanka's
biggest wildlife_________(7)and home to hundreds of wild elephants and several
leopards（豹）.
"There has been_________(8)apparent 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 no_________(10)studies because you can't really test it in a
lab or field setting , " he told Reuters. Other authorities concurred（同意）with this
_________(11).
"Wildlife seem to be able to pick up certain_________(12),especially birds…
there are many reports of birds detecting impending（迫近的）disasters , " said Clive
Walker,who has written several books on African wildlife.
Animals_________(13)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or_________(14)other mythical power一
is an enduring one which the evidence on Sri Lanka's ravaged（荒凉的）coast is likely to
add_________(15).
_________(10)
A.strange
B.specific
C.social
D.funny
