次级绒毛干的结构是（） -题库考试答案搜索网

次级绒毛干的结构是（）

单选题

2022-04-24 14:46

A、合体滋养层和细胞滋养层
B、合体滋养层、细胞滋养层和胚外中胚层
C、合体滋养层、结缔组织
D、合体滋养层和间充质
E、合体滋养层、细胞滋养层和血管

查看答案

正确答案

B

试题解析

标签：大学试题理学

感兴趣题目

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

Banks have no liability for any delay or loss caused by postal or telex failure.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

管理的二重性是指（）。[护理管理学试题题库]

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

相关题目: 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.; 绒毛膜癌以形成绒毛结构为特点。; 病理检查有无绒毛结构是侵蚀性葡萄胎与绒毛膜癌最根本的区别; 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。; The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire，（）the claimant proves that the fire arose from fault or neglect on the part of the carrier，his servants or agents.; 管理的关键职能是（）。[护理管理学试题题库]; Shutdown price（or point，or rule）停业价格（或停业点、停业原则）; 翻译：With Average or With Particular Average（WA or WPA）（）; （）shall be liable for loss of and damage to the Vessel and／or goods arising or resulting from inaccuracies in stating the description，quantity，weight，measurement or contents.; 管理的关键职能是（）。[护理管理学试题题库]; 次级绒毛干的结构是（）。; 次级绒毛干的结构是（）; 三级绒毛干的结构是（）; 初级绒毛干的结构是（）

广告位招租WX:84302438

题库考试答案搜索网

免费的网站请分享给朋友吧