皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【单选题】
所谓K-T大灭绝的K和T分别指()。
A.
白垩纪和石炭纪
B.
和第三纪
C.
白垩纪和第三纪
D.
和白垩纪
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】矫正后的钢材表面,不应有明显的凹面或损伤,划痕深度不得大于( )mm且不应该大于该钢材厚度允许负偏差的1/2。
A.
0.3
B.
0.5
C.
0.6
D.
0.8
【多选题】以下不属于O2O模式的是()。
A.
商场购物
B.
餐厅吃饭
C.
水果店买水果
D.
美团
【简答题】五、短文改错(共10分) Peter was walking back home from school, thought about the class today. It was about giving the first aid. Suddenly he saw a young girl lying on the ground. She seemed to be asleep, so Pe...
【单选题】矫正后的钢材表面,不应有明显的凹痕或损伤,划痕深度不得大于(),且不应超过钢材厚度允许负偏差的1/2
A.
0.5mm
B.
1.0mm
C.
2.0mm
D.
3.0mm
【简答题】No one knows how man learned to make words. Perhaps he began by sounds like those made by animals. Perhaps he grunted like a pig when he lifted something heavy. Perhaps he made sounds like thos...
【单选题】以下不属于O/W型乳化剂的是
A.
碱金属皂
B.
碱土金属皂
C.
十二烷基硫酸钠
D.
吐温
E.
卖泽
【单选题】钢零件及钢部件加工要求中,矫正后的钢材表面,不应有明显的凹面或损伤,划痕深度不得大于( ),且不应大于该钢材厚度允许负偏差的1/2。
A.
0.5mm
B.
1.5mm
C.
2.5mm
D.
4.5mm
【单选题】以下不属于O2O 会计核算主体的是( )
A.
消费者
B.
商家
C.
第三方服务提供商
D.
O2O运营商
【单选题】以下不属于O2O风险的是( )
A.
平台风险
B.
渠道风险
C.
产品风险
D.
经营风险
【单选题】听力原文: The 'American dream' is an idea that grew from TV programs, books, and stories about family life. The idea began in the 1950s, after World War 11. What was the 'dream' ? As the first step, famil...
A.
Dreams about a comfortable little home.
B.
Dreams about becoming an American citizen.
C.
Dreams about family life.
D.
Dreams about books and stories.
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题