新疆下半年材料员上岗考试试题

下载后可任意编辑新疆下半年材料员上岗考试试题下载后可任意编辑新疆 下半年材料员上岗考试试题本卷共分为 1 大题 50 小题，作答时间为 180 分钟，总分 100 分，60 分及格。一、单项选择题（共 25 题，每题 2 分，每题的备选项中，只有 1 个事最符合题意） 1、普通混凝土小型空心砌块的最小外壁厚应不小于__，最小肋厚应不小于__，空心率应不小于 25%。 A．20mm，5mm B．30mm，25mm C．40mm，25mm D．30mm，15mm 2、砌筑地面以上砌体所用的砂浆多为__。 A．水泥砂浆 B．石灰砂浆 C．混合砂浆 D．水泥净浆3、欲增大混凝土拌和物的流动性，下列措施中最有效的为__。 A．适当加大砂率 B．加水泥浆(W/C 不变) C．加大水泥用量 D．加减水剂 4、装饰用不锈钢板主要是厚度小于__的薄板。 A．4mm B．5mm C．6mm D．7mm5、外门窗的水密性能分级为 2 级时，分级指标值( P)△的范围为__Pa。 A．100≤ P△ ＜150 B．150≤ P△ ＜250 C．250≤ P△ ＜350 D．350≤ P△ ＜500 6、烧结多孔砖的孔洞率大于等于__。 A．15% B．20% C．25% D．30% 7、磨细矿渣粉的玻璃体含量(质量分数)大于等于__。 A．105% B．85% C．70% D．65% 8、The cellphone, a device we have lived with for more than a decade, offers a good example of a popular technology’s unforeseen side effects. More 下载后可任意编辑than one billion are (1) around the world, and when asked, their (2) say they love their phones for the safety and convenience (3) provide. People also report that they are (4) in their use of their phones. One opinion survey (5) that "98 percent of Americans say they move away from (6) when talking on a wireless phone in public" (7) "86 percent say they ’never’ or ’rarely’ speak (8) wireless phones" when conducting (9) with clerks or bank tellers. Clearly, there exists a (10) between our reported cell phone behavior and our actual behavior.Cellphone users--that is to say, most of us--are (11) instigators and victims of this form of conversational panhandl...