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【多选题】
轴承一般采用( )材料。
A.
不锈钢
B.
青铜
C.
合成材料
D.
铝合金
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参考答案:
举一反三
【判断题】在冲床的一次冲程中,在模具的同一部位上同时完成数道冲压工序的模具称为复合冲模。
A.
正确
B.
错误
【单选题】幼儿园环境创设中,使用易于识别的生活行为规则标识图,其最主要的目的是( )
A.
美化环境
B.
便于幼儿看图说话
C.
便于幼儿认识各种符号
D.
便于幼儿习得生活技能和行为准
【单选题】幼儿园环境创设中 , 使用易于识别的生活行为规则标识图,其主要的目的是 ( ) 。
A.
美化环境
B.
便于幼儿看图说话
C.
便于幼儿认识各种符号儿
D.
便于幼儿习得生活技能和行为准则
【单选题】党参的根头部有多数疣状突起的茎痕及芽,习称 ( )
A.
如意头
B.
疙瘩头
C.
狮子盘头
D.
蚯蚓头
E.
珍珠盘
【单选题】冲床一次冲程中,在冲模的同一部位上同时完成数道冲裁工序的模具叫做()。
A.
简单模
B.
连续模
C.
复合模
【单选题】I hope all the precautions against air pollution, ______ are suggested by the local government, will be seriously considered here.
A.
as
B.
while
C.
after
D.
since
【单选题】. New policies, _______ to ensure that compulsory education is truly free, _______by the local government across China since the start of school on September 1.
A.
intending; have been made known
B.
intended; have been made known
C.
intending; are made known
D.
intended; had made known
【单选题】餐饮企业成本费用一般可包括()、餐饮成本、管理费用和财务费用四项
A.
租金费用
B.
营业费用
C.
生产费用
D.
耗能费用
【简答题】He was given a medal for the brave act by the local _____________. (govern)
【单选题】I hope all the precautions against air pollution, __________ suggested by the local government, will be seriously considered here.
A.
while
B.
since
C.
that
D.
as
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