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搜题
【单选题】
突然发生咳嗽多见于
A.
呼吸道异物
B.
慢性支气管炎
C.
支气管扩张
D.
肺结咳
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举一反三
【单选题】______ is not a type of IALA maritime buoyage system.
A.
special marks
B.
isolated danger marks
C.
cardinal marks
D.
fore and aft marks
【单选题】Centos7在安装软件中为了确保系统不会询问用户“is this ok”一般使用的参数是()。
A.
"-y"
B.
"-a"
C.
"-x"
D.
"-l"
【单选题】A power failure in the hydraulic system of a compact type steering gear would cause the rudder to .
A.
swing 35°right or left
B.
remain locked in its last position
C.
move to the mid-ship position automatically
D.
jam against the rudder emergency stops
【单选题】Special type of diffusion where semi-permeable membrane is required is called
A.
special diffusion
B.
osmosis
C.
imbibition
D.
none of the above
【简答题】下列是有关细胞分裂的图示。图1表示细胞分裂的不同时期与每条染色体DNA含量变化的关系;图2表示处于细胞分裂不同时期的细胞图像,请据图回答: 对图2乙细胞分析可知,该细胞含有()条染色单体,染色体数与DNA分子数之比为(),该细胞处于()分裂的()期,其产生的子细胞名称为()。画出乙细胞最终形成配子的染色体组成
【简答题】下列是有关细胞分裂的问题。图1表示细胞分裂的不同时期与每条染色体DNA含量变化的关系;图2表示处于细胞分裂不同时期的细胞图象,请据图回答: 就图2乙分析可知,该细胞含有()条染色单体,该细胞处于()分裂的()期,其产生的子细胞名称为()
【单选题】The new type of machine is definitely special and amazing, but it___not be perfect for everyone.
A.
might
B.
has to
C.
ought
D.
need
【单选题】CentOS 7在安装软件中为了确保系统不会询问用户“is this ok”一般使用的参数是( )
A.
"-y"
B.
"-a"
C.
"-x"
D.
"-l"
【单选题】You type Router#sh ru and receive a % ambiguous command error. Why did you receive this message?
A.
The command requires additional options or parameters.
B.
There is more than one show command that starts with the letters ru .
C.
There is no show command that starts with ru .
D.
The command is being executed from the wrong router mode.
【判断题】In international air cargo transportation, Special Commodity Rates are only applicable to named types of cargo, therefore they are always much higher than General Cargo Rates.(    )
A.
正确
B.
错误
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