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【单选题】
四阶行列式的展开式中含有因子 的项,共有( )个。
A.
4
B.
2
C.
6
D.
8
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【判断题】礼仪包括“礼”和“仪”两部分。“礼”,即礼貌、礼节;“仪”即“仪表”、 “仪态”、“仪式”、“仪容”,是对礼节、仪式的统称。
A.
正确
B.
错误
【单选题】听力原文:W: Good morning. M: Good morning. W: Well, what are your predictions about the world? What is it going to be like in the year 2020? M: Hum, if present trends continue, I'm afraid the world in 202...
A.
Increase food production.
B.
Increase oil production.
C.
Birth control.
D.
All of above.
【判断题】砖基础砌筑施工,做法不正确的是( )。 A.基础深度不同,应由底往上砌筑 B.先砌转角和交接处,再拉线砌中间 C.先立皮数杆再砌筑 D.抗震设防地区,基础墙的水平防潮层应铺油毡A. 错B. 错C. 错D. 对
A.
正确
B.
错误
【单选题】应用【多边形工具】在背景图层中绘制一个普通的单色填充多边形,绘制前应先在属性栏中单击( )按钮。
A.
形状
B.
路径
C.
像素
D.
正常
【单选题】听力原文:W: Good morning, Uncle Smith. M: Good morning, Cathy. W: I want to have a dinner party to celebrate my birthday. Would you come? M: I'd love to, Cathy. What time? W: Next weekend, on Saturday. M:...
A.
She liked him.
B.
She had no other friends.
C.
She wanted to have a birthday party.
【单选题】听力原文:W: Good morning, Uncle Smith. M: Good morning, Cathy. W: I want to have a dinner party to celebrate my birthday. Would you come? M: I'd love to, Cathy. What time? W: Next weekend, on Saturday. M:...
A.
She liked him.
B.
She had no other friends.
C.
She wanted to have a birthday party.
【多选题】砖基础砌筑施工,做法正确的是( )。
A.
抗震设防地区,基础墙的水平防潮层应铺油毡
B.
基础深度不同,应由底往上砌筑
C.
先砌转角和交接处,再拉线砌中间
D.
先立皮数杆再砌筑
【单选题】砖基础砌筑施工,做法不正确的是()。
A.
基础深度不同,应由底往上砌筑
B.
先砌转角和交接处,再拉线砌中间
C.
先立皮数杆后再砌筑
D.
抗震设防地区,基础墙的水平防潮层应铺油毡
【单选题】砖基础砌筑施工,做法不正确的是( )。
A.
基础深度不同,应由底往上砌筑
B.
抗震设防地区,基础墙的水平防潮层应铺油毡
C.
先依皮数杆砌筑交接处部分的砖
D.
先砌转角和交接处,再拉线砌中间
【多选题】砖基础施工质量控制要点正确的是()。
A.
如砖基础下半部为灰土时,则灰土部分不做台阶,其宽高比应按要求控制,同时应核算灰土顶面的压应力,以不超过250~300kPA为宜。
B.
砌筑时,灰缝砂浆要饱满,严禁用冲浆法
C.
基础中顶留洞口及预埋管道,其位置、标高应准确,管道上部应预留沉降空隙。基础上铺放地沟盖板的出檐砖,应同时砌筑
D.
砌完基础应及时清理基槽(坑)内杂物和积水,在两侧同时回填土,并一次夯实
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