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囊鳃类
时间：2021-09-02 12:34
关键词：
圆口纲
生物学
答案解析
<p> 圆口纲动物呼吸系统由于具有独特的鳃囊结构，故又称囊鳃类。?</p>
相关问题
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
囊鳃类
现存的圆口纲动物约70多种，分属（）目和（）目。
最新问题
圆口纲动物的主要特征。
biomembrane,or biological membrane (生物膜)
简述鱼类高于圆口纲而更接近于其它脊椎动物的主要特征。
圆口纲动物的鳃位于（），有（）支持。
Mainly east 3 or 4 partly cloudy to overcast occasional rain（）slowly south moderate or good.
（）any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local quarantine officer must be notified immediately．
Should any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local Quarantine Officer must be（）immediately.
Masters are（）solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
系统中雷达状态包括Unknown、Operational（or ON）、Failed（or OFF）、Detached。
Owners are to be responsible for loss of or damage to the goods or delay in delivery of the goods only in case the loss，damage or delay has been caused by the improper or negligent stowage of the goods．This means that（）.
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