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【单选题】
按照宴席的( )划分,分为正式宴会和便宴。
A.
菜式
B.
规格和隆重程度
C.
性质与主题
D.
菜品构成特征
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【单选题】工程之间千差万别 ,在用途、结构、造型、座落位置等方面都有较大的不同,这体现了工程造价( )的特点。
A.
动态性
B.
单件性
C.
多次性
D.
兼容性
【多选题】在断开蓄电池负极之前,需要做的准备工作有
A.
记录故障代码
B.
记录收音机的电台频道及存储位置
C.
记录座椅位置
D.
记录转向柱管位置
【判断题】为加快胶料凝固速度,需要在滴胶均匀化后放入烘箱加温固化,70°C烘90分钟,再水平放置,直到胶完全固化。
A.
正确
B.
错误
【单选题】根据材料,回答题。 New Changes in American Life Once it was possible to define male and female roles easily by the division of labor. Men worked outside the home and earned the income to support their families...
A.
In addition, many Americans did not value the traditional male role of soldier.
B.
Most of them still took traditional women's jobs as public school teaching, nursing, and secretarial work.
C.
These roles were firmly fixed for most people, and there was not much opportunity for women to exchange their roles.
D.
But its influence spread to many parts of American society.
E.
The people involved in this movement did not Value the middle-class American goals.
F.
A great many jobs that used to belong to men are now taken by women.
【单选题】20%的客户能给企业贡献( )利润。
A.
95%
B.
50%
C.
40%
D.
80%
【单选题】维生素C具有很强的还原性,以下说法正确的是
A.
与铅、汞、砷等重金属不会发生络合作用
B.
遇酸性溶液易氧化分解
C.
遇Cu离子存在时极易氧化分解
D.
在油脂中易分解
E.
在碱性溶液中稳定
【单选题】维生素C是具有还原性的弱酸,因此具有很强的( )
A.
氧化作用
B.
抗氧化作用
C.
腐蚀作用
D.
抗腐蚀作用
【单选题】劳动者的基本权利包括( )等。
A.
完成劳动任务
B.
提高职业技能
C.
请假外出
D.
提请劳动争议处理
【多选题】在断开蓄电池负极之前,需要做的准备工作有( )。(II)
A.
记录故障代码
B.
记录收音机的电台频道及存储位置
C.
记录座椅位置
D.
记录转向柱管位置
【单选题】By the phrase 'held back' in Para. 1, the author means ______.
A.
made to remain in the same classes
B.
forced to study in the lower classes
C.
drawn to their studies
D.
prevented from advancing
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