蒸压灰砂砖根据抗压强度和抗折强度分为()等级。 A.三个 B.四个 C.五个 D.六

题型:单项选择题

问题:

蒸压灰砂砖根据抗压强度和抗折强度分为()等级。

A.三个

B.四个

C.五个

D.六个

考点:监理工程师见证取样员见证取样员题库
题型:单项选择题

请根据所提供的单据完成判断题131~150题。

某公司出口一批货物,由于市场原因,该批货物在国外销售不佳,经与国外客户协商,双方同意按出口单价将部分货物退运。

货物出口报检时,《出境货物报检单》有关内容填写情况如下,请对131~140题作出判断:

“信用证号”:LC7584076584。()

题型:单项选择题

阅读下面短文,根据上下文填入适当的词语,或使用括号中的词语的适当形式填空,并将答案填写在答题卡上标号为36-45的相应位置。

Thirteen-year-old Andrew will never forget that Saturday. He was relaxing on his family’s sofa with his sister, Susan. Suddenly the heater exploded. His sister, who was unhurt, managed to pull   26  away from the fire   27  his mum dialed for an ambulance.  28  ambulance soon arrived and rushed him to Children’s Hospital   29  he was operated on immediately.

Doctors told his mum there was little chance of Andrew being able to walk again. The damage to his body was so bad and the cuts in his legs so deep that the   30 (operate) took 11 hours. After a couple of weeks, he   31  (allow) to go home but had to spend the next six weeks in a wheelchair.  32  the help of his doctor, this brave young boy returned to school after only two and a half months.   33  (look) back on the accident, Andrew says he believes children can do   34  they want   35  they put their mind to it.

题型:单项选择题

电梯控制系统主要装置有()等。

A、操纵箱

B、召唤按钮

C、控制柜

D、检修装置

题型:单项选择题

某年9月中旬,某县发生5名小学生食物中毒,报告食用杏仁,潜伏期均在1小时以内,症状主诉口中苦涩,流涎,头晕,头痛,恶心,呕吐,脉频,四肢软弱无力,5名学生不同程度呼吸困难。

此类中毒的机理是哪些()

A.氰甙经机体摄入后,食品本身酶作用分解出氢氰酸,机体吸收中毒

B.机体吸收氢氰酸,氰离子与细胞色素氧化酶中的铁结合,失去组织呼吸能力

C.机体血红蛋白失去带氧能力

D.机体血红蛋白损伤

E.血红蛋白铁含量缺乏

F.机体血液丢失

题型:单项选择题

子女的教育问题凸显在()方面。

A.负重期

B.成熟期

C.新婚期

D.哺乳期

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