几千年来,我国历史发展的主流始终是[ ] A、战争 B、和平 C、统一 D、分裂

题型:选择题

问题:

几千年来,我国历史发展的主流始终是[ ]

A、战争      

B、和平    

C、统一     

D、分裂

考点:实现祖国和平统一
题型:选择题

综合填空

     An old woman (1)o______ her window and looks out of it. The sun shines (2)b______. There's a man

in the (3)g______ in front of her house. The old woman says in surprise, "Oh! He is eating (4)g______!"

She goes (5)o______ and asks the man, "Why are you eating grass? Are you (6)h______?" The man

says, "Yes, I am very poor. I have (7)n______ for my breakfast today and ..." The old woman tells him

to go to the (8)b______ door of her house, and she goes in again.The man (9)s______ and  goes to the

back door of the house. Then the old woman opens the door and says to the man, "The grass here is

(10)l______."

题型:选择题

单一熟制法与复合熟制法的不同点在于复合熟制法是将( )熟制方法配合使用。

A.两种

B.三种

C.四种

D.多种

题型:选择题

PET/CT显像时,获取PET图象的衰减校正方法是()

A.68Ge对PET数据进行衰减校正

B.CT对PET数据进行衰减校正

C.A和B

D.无需衰减校正

E.以上均不是

题型:选择题

吴茱萸的性状特征()

A.呈扁球形或五角状扁球形

B.表面暗黄绿色,粗糙,有多数小油点

C.顶端有五角星状的裂痕

D.质硬脆,横切面可见子房5室

E.香气浓烈,味辛辣,微苦

题型:选择题

测量飞机角速度的速度陀螺仪主要由().

A.三自由度陀螺仪,力矩平衡弹簧和阻尼器组成

B.三自由度陀螺仪,配重块和阻尼器组成

C.二自由度陀螺仪,力矩平衡弹簧和阻尼器组成

D.二自由度陀螺仪,配重块和阻尼器组成

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