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【多选题】
The ______ in______ are the evidence to show that Yunnan is the cradle of early living beings.
A.
fanna fossils.
B.
Maotian Mountain
C.
apeman fossils
D.
Yuanmou County
举报
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】When the AC supply voltage is applied to the primary winding of the transformer, if the secondary winding of the transformer is connected with (), there will be electric energy output.
A.
External circuit load
B.
Primary winding
C.
High-voltagewinding
【单选题】In an electric power system, a transformer can connect different ()lines.
A.
The resistance level
B.
Reactance level
C.
Voltage grade
【单选题】关于眼外伤CT检查技术下列哪项不正确()
A.
采用骨算法重建
B.
采用软组织算法重建
C.
眶壁细小的骨折可以进行MPR薄层重建
D.
VR重建对于眶壁骨折进行多角度观察
E.
一般不采用螺旋扫描,得到眼眶区域的容积数据
【单选题】The Dinosaur Valley here is known as the______ in China.
A.
National Geo-Park
B.
National Dinosaur Fossil Geo-Park
C.
Dinasour Theme Park
D.
The Fossil Heritage Park
【多选题】Which of the fruits are Thai specialties( )
A.
Sweetsop
B.
durian
C.
mangosteen
D.
apple
【单选题】In order to transmit the electric energy to the distance and reduce the electric energy loss on the line, () is mainly used.
A.
Raise the voltage level through the transformer
B.
Increasing the wire cross section reduces the resistance
C.
Improve the power factor to reduce reactive power
D.
Reduce voltage level through transformer
【单选题】The current of the high voltage winding of the transformer is certain () the current of the low voltage winding.
A.
Is greater than
B.
Is equal to the
C.
Less than