、有关建筑石膏的性质，下列哪一项的叙述是不正确的？（） -题库考试答案搜索网

、有关建筑石膏的性质，下列哪一项的叙述是不正确的？（）

单选题

2021-07-17 23:23

A、<span style="font-family:Tahoma;font-size:15px"> </span><span style=";font-family:微软雅黑;font-size:15px"><span style="font-family:微软雅黑">加水后凝结硬化快，且凝结时像石灰一样，出现明显的体积收缩</span></span>
B、<span style="font-family:Tahoma;font-size:15px"> </span><span style=";font-family:微软雅黑;font-size:15px"><span style="font-family:微软雅黑">加水硬化后有很强的吸湿性，耐水性和抗冻性均较差</span></span>
C、<span style="font-family:Tahoma;font-size:15px"> </span><span style=";font-family:微软雅黑;font-size:15px"><span style="font-family:微软雅黑">制品具有较好的抗火性能，但不宜长期用于靠近</span>65<span style="font-family:微软雅黑">摄氏度以上的高温部位</span></span>
D、<span style="font-family:Tahoma;font-size:15px"> </span><span style=";font-family:微软雅黑;font-size:15px"><span style="font-family:微软雅黑">适用于室内装饰、绝热、保温、吸声等</span></span>

查看答案

正确答案

A

试题解析

标签：土木工程高起本土木工程材料 2019级第5学期期末考试

感兴趣题目

设t=2，b=3，c=4，d=5，则下面语句输出的是（）。 Print3>2*b Or a=c And bc Or c>d

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.

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 （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

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; Goods are carried by several of transport--on road or rail, by sea or air.; You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.; A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.; 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.; 设a=5，b=4，c=3，d=2，则表达式3＞2*b Or a=c And b＜＞c Or c＞d的值是; 设a=5，b=4，c=3，d=2，则表达式3＞2*b Or a=c And b＜＞c Or c＞d的值是; 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.; Shutdown price（or point，or rule）停业价格（或停业点、停业原则）; 设a=5，b=4，c=3，d=2，则表达式3＞2术b Or a=c And b＜＞c Or c＞d的值是; 设a=5，b=4，c=3，d=2，下列表达式的值是 3＞2*b Or a=c And b＜＞C Or c＞d; 设a=5，b=4，c=3，d=2，下列表达式的值是( )。 3＞2*b Or a=c And b＜＞c Or c＞d; 设a=5，b=4，c=3，d=2下列表达式的值是 3＞2*b Or a=c And b＜＞C Or c＞d; 设a=5，b=4，c=3，d=2，下列表达式的值是 3＞2*b Or a=c And b＜＞c Or c＞d; 设a=2，b=3，c=4，d=5，下列表达式的值是（）。 3>2*b Or a=c And bc Or ba+c

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