【判断题】
集装箱装载的进口粮食,应在海关指定的查验场所实施检验检疫
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【判断题】
集装箱装载的进口粮食进行过筛检疫及样品中发现异常情况的,可增加开箱数量
【判断题】
进境粮食现场进行过筛检查时,不需要将筛上挑出物、筛下物装入样品袋,只需要将杂草籽装入指形管,做好标记后送实验室作进一步检查
【判断题】
进境粮食现场检疫发现疑似检疫性杂草籽、有毒杂草籽等,应送实验室鉴定,并连同抽取的粮食样品一并送实验室检测
【判断题】
检疫性杂草保存期满后不需灭活,可以直接丢弃
【判断题】
样品寄运时应保证样品在传递过程中能够保持杂草原有形态的稳定性及具备防止对可能夹带有的有害生物的逃逸、扩散等措施,确保样品真实、安全、及时传递到实验室
【判断题】
加工、运输、检验采样等过程中,不会引起植物(种子)的鉴定特征受损
【判断题】
实验室鉴定杂草时,可以通过高倍解剖镜、生物显微镜或扫描电镜下观察种子的微细特征
【判断题】
由于幼苗的形态在遗传特征和科、属系统方面有着相对的稳定性,因此可以根据幼苗的形态特征来进行鉴定
【判断题】
对杂草在形态上无法鉴定的近似种,必要时采用分子生物学的检测方法进行鉴定
【判断题】
口岸杂草疫情监测是我国海关在口岸防范外来有毒有害杂草随高风险货物传入和扩散的重要环节
【判断题】
首次在辖区发现检疫性杂草或新记录种杂草,图像资料和标本需要系统内杂草专家复核
【判断题】
杂草监测时,经防除的疫点应作为下一年度监测的重点
【判断题】
有害生物的鉴定必须依照统一的技术标准进行
【判断题】
红火蚁是世界上最危险的100种入侵有害生物之一
【判断题】
欧洲大榆小蠹和欧洲榆小蠹可通过体长加以区分
【判断题】
双翅目昆虫仅有1对发达的膜质前翅,后翅已特化成平衡棒
【判断题】
小蠹虫除直接为害寄主外,还可以传播植物病害
【判断题】
缨翅目昆虫通称蓟马,身体微小。复眼发达,有或无单眼。触角较长,6-10节。口器为左右不对称的锉吸式口器
【判断题】
在对进口木材现场检疫时,如发现活体白蚁,货物应进行熏蒸等检疫处理
【判断题】
无蓝变现象的木质包装上肯定没有松材线虫
【判断题】
有IPPC标识的木质包装不会携带有害生物
【判断题】
线虫可通过人为的传带、种苗的调运等进行远距离的传播
【判断题】
在没有媒介昆虫的条件下,松材线虫可以自己从发病树转移到健康树危害
【判断题】
松树被松材线虫感染后,当年均会发病,表现为针叶枯萎
【判断题】
在国外无显著危害的植物寄生线虫,不必予以关注,不属于检疫性线虫
【判断题】
可用直接解剖法分离木质包装中的松材线虫
【判断题】
实验室对线虫进行形态学鉴定时,一般先鉴定到属,然后鉴定到种
【判断题】
多数植物线虫寄生于植物根部,少数可寄生于植物的幼芽、茎、叶、花、果实和种子内
【判断题】
植物受线虫危害后,发生明显病变的部位,往往也是病原线虫存在的部位
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be/ get caught up in
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in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need,
be/ get caught up in
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in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need,
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