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【单选题】
下列有关模板的技术要求中,说法不正确的是
A.
对跨度不小于4米的现浇钢筋混凝土梁、板,其模板应按设计要求起拱
B.
模板与混凝土的接触面应清理干净并涂刷隔离剂
C.
模板的接缝不应漏浆,在浇筑混凝土前,木模板内允许有少量积水
D.
用做模板的地坪、胎模应平整光洁
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【判断题】个人防护装备包括消防战斗服、头盔、消防靴及呼吸保护器。()
A.
正确
B.
错误
【多选题】个人防护装备包括( )
A.
护目镜
B.
口罩
C.
防毒面具
D.
防护帽
【单选题】()头呈三角形,吻端上翘。
A.
蛤蚧
B.
金钱白花蛇
C.
蕲蛇
D.
乌梢蛇
【单选题】听力原文: The United Nations has warned of a looming catastrophe in Somalia where more than 200,000 people have fled their homes to escape the fighting in the capital Mogadishu. A UN official said that mo...
A.
20,000.
B.
200,000.
C.
2,000,00(1.
D.
20,000,000.
【单选题】头呈三角形,吻端上翘,眼至颈侧有一条黑色斑纹是()。
A.
蛤蚧
B.
金钱白花蛇
C.
蕲蛇
D.
乌梢蛇
E.
鳖甲
【单选题】The oceans are about to be explored because______.
A.
marine life has more medical value than land life
B.
human beings have the right to explore the nature
C.
they are unknown and mysterious to human being
D.
the exploration will bring great economic benefits
【简答题】The fourth round of heavy smog to hit Beijing in four weeks has sent more people to the hospital with respiratory(呼吸的) illnesses and led to calls for laws to control the pollution. Pan Shiyi, a celebr...
【简答题】( )也称公开密钥证书或称为数字凭证、数字标识,是一个经证书认证机构数字签名的、包含用户身份信息以及公开密钥信息的电子文件。
【单选题】Beijing has got_____   population of more than 13.8 million.
A.
the
B.
a
C.
an
D.
/
【单选题】There _____ more roads, trees and tall buildings in Beijing in 2008. [     ]
A.
will has
B.
is going to have
C.
will be
D.
is going to has
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