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【单选题】
以下关于变形缝的说法正确的是( )。
A.
伸缩缝的基础必须断开
B.
伸缩缝可兼起沉降缝的作用
C.
沉降缝的基础不必断开
D.
防震缝的宽度与设防烈度和建筑物高度有关
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【单选题】Money, , has been the least of our worries.
A.
important though it is
B.
so important it is
C.
important if it is
D.
it is important though
【简答题】(11分)用18 mol/L 的浓硫酸配制100 mL 3.0 mol/L 稀硫酸的实验步骤如下: ①计算所用浓硫酸的体积  ②量取一定体积的浓硫酸   ③溶解 ④检漏、转移、洗涤      ⑤定容、摇匀 回答下列问题: (1)所需浓硫酸的体积是 ,量取浓硫酸所用的量筒的规格是 (用下列编号填空)。 A.10ml B.25ml C.50ml D.100ml (2)第③步实验的操是 。 (3)第⑤步...
【单选题】Which of the following best describes a top-down budget?
A.
A budget which has been set by scaling down individual expenditure items until the total budgeted expenditure can be met from available resources
B.
A budget which is set by delegating authority from top management, allowing budget holders to participate in setting their own budgets
C.
A budget which is set without permitting the ultimate budget holder to participate in the budgeting process
D.
A budget which is set within the framework of strategic plans determined by top management
【单选题】The views on fashion design expressed in this article ______.
A.
present an encouraging picture
B.
contain some innovative ideas
C.
dispel some common illusions
D.
discount the creative element
【单选题】电梯的维护保养应当由电梯( )或者依照本法取得许可的安装、改造、修理单位进行。
A.
使用单位
B.
制造单位
C.
鉴定单位
D.
监督单位
【简答题】把18.0 mol·L -1 的浓硫酸稀释成2.00 mol·L -1 的稀硫酸100ml,实验操作如下 ①将配好的稀硫酸倒入试剂瓶中,贴好标签; ②盖好容量瓶塞,反复颠倒摇匀; ③用量筒量取___________ml的18.0 mol·L -1 的浓硫酸; ④将___________沿烧杯内壁慢慢注入盛有少量___________的烧杯中; ⑤用少量蒸馏水洗涤烧杯2~3次,并将洗涤液也全部转移到...
【单选题】下列各组词语书写完全正确的一项是( )
A.
焊接 研磨 膨胀 恰如其份
B.
硼砂 缺撼 琢磨 半斤八两
C.
镀金 繁复 钳子 推陈出新
D.
干躁 稠密 譬如 驱谴
【单选题】Which of the following best describes a top-down budget?
A.
A budget which has been set by scaling down individual expenditure items until the total budgeted expenditure can be met from available resources.
B.
A budget which is set by delegating authority from top management, allowing budget holders to participate in setting their own budget.
C.
A budget which is set without permitting the ultimate budget holder to participate in the budgeting process.
D.
A budget which is set within the framework of strategic plans determined by top management.
【单选题】长效避孕针的有效率可以达到()以上。
A.
0.95
B.
0.96
C.
0.97
D.
0.98
【简答题】IrDA是一种利用()进行点对点通信的技术。
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