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【单选题】
劳动者解除劳动合同，应当( )通知用人单位。
A.
和主管劳动部门提出申请
B.
提前15日
C.
提前30日以书面形式
D.
随时通知用人单位
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【简答题】For Norman, which of the following statements about problems is NOT true?A. Problems are actually a sign of life. B. Problems should be removed as quickly as possible C. Problems are nothing to be afr...
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【单选题】关于铸件的几种凝固方式下列说法正确的是( )
A.
纯金属和合金一般发生逐层凝固
B.
宽结晶温度范围合金不发生逐层凝固
C.
体积凝固铸件组织细密，热烈纹倾向小
D.
相比金属型，砂型更有利于发生逐层凝固
查看完整题目与答案
【单选题】在生理情况下，人体血浆pH值为( )，过酸或过碱均可干扰血管内膜的正常代谢和机能，引起静脉炎。
A.
3.95～6.85
B.
7.35～7.45
C.
6～8
D.
5～9
查看完整题目与答案
【单选题】Which of the following facts was NOT one of the reasons for the Norman Conquest?
A.
Edward the Confessor had promised William, the Duke of Normandy to be his heir.
B.
William was Edward's cousin.
C.
Harold had not been chosen by the Witan.
D.
Harold was appointed by Edward the Confessor in England.
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【单选题】不属于铸件凝固方式的是
A.
逐层凝固
B.
顺序凝固
C.
糊状凝固
D.
中间凝固
查看完整题目与答案
【单选题】For Norman, which of the following statements about problems is NOT true?
A.
Problems are actually a sign of life.
B.
Problems should be removed as quickly as possible.
C.
Problems are nothing to be afraid of.
D.
Problems are not necessarily something negative.
查看完整题目与答案
【简答题】正常人血液pH值为_______,在血浆中最主要的缓冲对是_______。
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【简答题】Learn to do research, (8)_____, understand specialists
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【判断题】铸件中的缩孔是由于合金的液态收缩和凝固收缩得不到金属液的补充而产生的，缩孔的形成与逐层凝固方式有关。
A.
正确
B.
错误
查看完整题目与答案
【单选题】关于铸件的几种凝固方式下列说法正确的是( )
A.
纯金属和窄结晶温度范围合金一般发生逐层凝固
B.
结晶温度范围合金不发生逐层凝固
C.
体积凝固铸件组织细密，热烈纹倾向小
D.
相比金属型，砂型更有利于发生逐层凝固
查看完整题目与答案
相关题目：
【简答题】For Norman, which of the following statements about problems is NOT true?A. Problems are actually a sign of life. B. Problems should be removed as quickly as possible C. Problems are nothing to be afr...
查看完整题目与答案
【单选题】关于铸件的几种凝固方式下列说法正确的是( )
A.
纯金属和合金一般发生逐层凝固
B.
宽结晶温度范围合金不发生逐层凝固
C.
体积凝固铸件组织细密，热烈纹倾向小
D.
相比金属型，砂型更有利于发生逐层凝固
查看完整题目与答案
【单选题】在生理情况下，人体血浆pH值为( )，过酸或过碱均可干扰血管内膜的正常代谢和机能，引起静脉炎。
A.
3.95～6.85
B.
7.35～7.45
C.
6～8
D.
5～9
查看完整题目与答案
【单选题】Which of the following facts was NOT one of the reasons for the Norman Conquest?
A.
Edward the Confessor had promised William, the Duke of Normandy to be his heir.
B.
William was Edward's cousin.
C.
Harold had not been chosen by the Witan.
D.
Harold was appointed by Edward the Confessor in England.
查看完整题目与答案
【单选题】不属于铸件凝固方式的是
A.
逐层凝固
B.
顺序凝固
C.
糊状凝固
D.
中间凝固
查看完整题目与答案
【单选题】For Norman, which of the following statements about problems is NOT true?
A.
Problems are actually a sign of life.
B.
Problems should be removed as quickly as possible.
C.
Problems are nothing to be afraid of.
D.
Problems are not necessarily something negative.
查看完整题目与答案
【简答题】正常人血液pH值为_______,在血浆中最主要的缓冲对是_______。
查看完整题目与答案
【简答题】Learn to do research, (8)_____, understand specialists
查看完整题目与答案
【判断题】铸件中的缩孔是由于合金的液态收缩和凝固收缩得不到金属液的补充而产生的，缩孔的形成与逐层凝固方式有关。
A.
正确
B.
错误
查看完整题目与答案
【单选题】关于铸件的几种凝固方式下列说法正确的是( )
A.
纯金属和窄结晶温度范围合金一般发生逐层凝固
B.
结晶温度范围合金不发生逐层凝固
C.
体积凝固铸件组织细密，热烈纹倾向小
D.
相比金属型，砂型更有利于发生逐层凝固
查看完整题目与答案