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【单选题】
真菌的二相性是指 ( )
A.
同一真菌有单细胞和多细胞二相
B.
同一真菌有孢子和菌丝二相
C.
同一真菌有营养菌丝菌丝二相
D.
同一真菌有无隔菌丝和有隔菌丝二相
E.
同一真菌有酵母型和丝状型二相
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【单选题】According to the article, what is a numbers station? a kind of radio station that unusual music and songs a kind of radio station that transmits strange sounds and signals a kind of radio station that...
A.
a kind of radio station that unusual music and songs
B.
a kind of radio station that transmits strange sounds and signals
C.
a kind of radio station that broadcasts news about secret messages
D.
a kind of radio station that helps people solve difficult math problems
【多选题】If station are closed because of sudden large passenger flow, what should station officers do?
A.
A station officer should broadcast that the station is closed for the sudden large passenger flow reason.
B.
A station officer should calm the passenger and explain the reason for the closure of the station immediately.
C.
A station officer should follow the instructions and guide the passenger to leave the station in order or take the empty train to the next station.
D.
A station officer should stay away to protect himself.
【单选题】What term is used to refer to a station that initiates NBDP communicates with another station?.
A.
Master station.
B.
Information sending station.
C.
Information transmitting station.
D.
Slave station.
【单选题】下列关于类的说法不正确的是()
A.
类是同种对象的集合和抽象
B.
类属于java语言中复合数据类型
C.
对象是java语言中是基本数据结构单位
D.
类就是对象
【单选题】超低空无人机任务高度一般在( )之间。
A.
0~50m
B.
0~100m
C.
100~1000m
D.
1000m以上
【单选题】最为灵活的一种是( )。
A.
回民秧歌
B.
军庄秧歌
C.
大营秧歌
D.
地秧歌
【单选题】模拟式、 数字式传感器是按照( )来划分的。
A.
按被测物理量
B.
按工作原理
C.
按输出信号特征
D.
按信号变化效应
【多选题】对于传感器的分类,可以从哪些角度来划分?
A.
按照被测量的不同
B.
. 按照测量原理的不同
C.
按照输出信号类型的不同
D.
形状
【多选题】If there is a passenger not feeling well in the station, what should station officers do?
A.
A station officer should come up and check the passenger out.
B.
A station officer should ask the ill passenger that if he needs some medicine or some rest.
C.
A station officer should call the ambulance if necessary.
D.
A station officer should do something to make the ill passenger feel comfortable with somebody else.
【多选题】传感器常见的分类方式主要有以下几种:
A.
传感器常见的分类方式主要有以下几种:
B.
B. 按照信号的输出类型来区分;
C.
C. 按照检测对象来分;
D.
D. 按照外形来分;
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