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A.用細(xì)砂時,其砂率應(yīng)比選用中砂時小 B.混凝土的W/C較大時,砂率應(yīng)較大C.當(dāng)選用卵石時,其砂率應(yīng)比選用碎石時小一些 D.當(dāng)選用單粒級粗骨料時,其砂率應(yīng)較小采用待檢驗水配制的水泥砂漿或混凝土的28d抗壓強(qiáng)度不得低于用蒸餾水或符合國家標(biāo)準(zhǔn)的生活飲用水拌制的對應(yīng)砂漿或混凝土抗壓強(qiáng)度的__,若有早期抗壓強(qiáng)度要求時需增加7d抗壓強(qiáng)度試驗。A.標(biāo)準(zhǔn)編號、產(chǎn)品名稱、強(qiáng)度等級、顏色、質(zhì)量等級 B.產(chǎn)品名稱、強(qiáng)度等級、顏色、質(zhì)量等級、標(biāo)準(zhǔn)編號 C.產(chǎn)品名稱、顏色、強(qiáng)度等級、質(zhì)量等級、標(biāo)準(zhǔn)編號 D.標(biāo)準(zhǔn)編號、強(qiáng)度等級、產(chǎn)品名稱、顏色、質(zhì)量等級承運和托運單位以__作為運輸貨物、交接貨物和計算運雜費用的依據(jù)。A.1:2:3 B.1:3:2 C.2:3:1 D.2:1:31下列選項中,關(guān)于輕集料混凝土小型空心砌塊的密度等級,說法不正確的是__。A.化學(xué)收縮B.干濕變形C.溫度變形D.荷載作用下的變形一份由賣方保存__d,一份由買方按《通用硅酸鹽水泥》(GB 175—2007)規(guī)定的項目和方法進(jìn)行檢驗。A. B. C. D.2石灰的耐水性差,灰土、三合土__用于經(jīng)常與水接觸的部位。A. B. C. D.1鋼筋若冷拉至控制應(yīng)力而未達(dá)到控制冷拉率,則該鋼筋應(yīng)__。A.大量收縮 B.微量收縮 C.大量膨脹 D.微量膨脹2不利于混凝土密實性和抗?jié)B性的做法是__。A.30,5 B.60,12 C.40,10 D.45,8The cellphone, a device we have lived with for more than a decade, offers a good example of a popular technology’s unforeseen side than one billion are(1)around the world, and when asked, their(2)say they love their phones for the safety and convenience(3) also report that they are(4)in their use of their 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 , there exists a(10)between our reported cell phone behavior and our actual usersthat is to say, most of usare(11)instigators and victims of this form of conversational panhandling, and it(12)a cumulatively negative effect on social the sociologist Erving Gotfman observed in another(13), there is something deeply disturbing about people who are“(14)contact” in social situations because they are blatantly refusing to(15)to the norms of their immediate a cellphone call in public instantly transforms the strangers around you(16)unwilling listeners who must cede to your use of the public(17), a decidedly undemocratic effect for so democratic a don’t always passively(18)this situation: in recent years, people have been peppersprayed in movie theaters,(19)from concert hails and deliberately rammed with cars as a result of(20)behavior on their ()A.a(chǎn)nd that B.a(chǎn)s for C.whereas D.on the contrary下列樹脂中,不屬于熱塑性樹脂的是__。A.材料消耗施工定額 B.材料消耗概算定額 C.材料消耗估算指標(biāo) D.材料消耗預(yù)算定額1下列選項中,關(guān)于材料消耗定額管理的作用,說法正確的是__。A.軟件工程只是解決軟件項目的管理問題 B.軟件工程主要解決軟件產(chǎn)品的生產(chǎn)率問題C.軟件工程的主要思想是強(qiáng)調(diào)在軟件開發(fā)過程中需要應(yīng)用工程化原則 D.軟件工程只是解決軟件開發(fā)中的技術(shù)問題二、多項選擇題(共25 題,每題2分,每題的備選項中,有 2 個或 2 個以上符合題意,至少有1 個錯項。A.強(qiáng)度 B.水化熱C.體積安定性 D.凝結(jié)時間1天然大理石板材普型板優(yōu)等品,當(dāng)厚度小于等于12mm時,允許偏差為__。A.材料消耗定額 B.原始記錄C.計量檢測報告D.清產(chǎn)核資和材料價格對耐磨性要求較高的混凝土.其強(qiáng)度等級最低應(yīng)為__級。1優(yōu)等燒結(jié)普通磚的兩條面高度差應(yīng)小于等于__。A.盤點盈虧調(diào)整單 B.驗收單 C.入庫單D.?dāng)?shù)量規(guī)格凋整單 E.報損報廢單周轉(zhuǎn)材料管理的內(nèi)容包括__。A.夏熱冬暖地區(qū)的抗凍指標(biāo)為F15 B.夏熱冬冷地區(qū)的抗凍指標(biāo)為F25 C.寒冷地區(qū)的抗凍指標(biāo)為F35 D.嚴(yán)寒地區(qū)的抗凍指標(biāo)為F45 E.嚴(yán)寒地區(qū)的抗凍指標(biāo)為F502等級為S105的礦渣粉,7天活性指數(shù)應(yīng)大于等于__。A.固定資產(chǎn)工具 B.低值易耗工具 C.消耗性工具 D.專用工具1砌筑砂漿宜采用__強(qiáng)度等級的水泥。A.混凝土強(qiáng)度 B.混凝土工作性 C.混凝土耐久性D.混凝土強(qiáng)度與耐久性石膏適合做建筑裝飾制品是因為其在硬化過程中體積__。A.1/4~1/3 B.1/5~1/4 C.1/6~1/5 D.1/7~1/61混凝土的標(biāo)準(zhǔn)養(yǎng)護(hù)是指混凝土試件在溫度為__和相對濕度為95%以上的潮濕環(huán)境或水中(標(biāo)準(zhǔn)條件)養(yǎng)護(hù)28d。A.用途不同B.所用膠結(jié)材料不同 C.堆積密度不同 D.生產(chǎn)工藝不同二、多項選擇題(共25 題,每題2分,每題的備選項中,有 2 個或 2 個以上符合題意,至少有1 個錯項。A. B. C. D.1蒸壓加氣混凝土砌塊中,合格品的缺棱掉角的最小尺寸不得大于__,最大尺寸不得大于_