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【单选题】
识读上海科达汽车销售服务有限公司盱眙4S店项目办公楼图纸,可知本工程采用的基础所采用的混凝土强度等级为()。A.
C20
B.
C25
C.
C30
D.
C35
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】串行口的应用：下图是串行口转换为并行口的电路图。 用串行口模式0的工作方式，设计一个用串行口扩展的输出口，用于驱动一个数码管，在数码管上显示0～9的数字，要求0.5秒变化一次。根据原理图写出相应的应用程序。 程序： #include ＜reg51.h＞ typedef unsigned char byte byte i; byte dis_code[10]={0xc0,0xf9,0xa4,0xb0...
【多选题】在高中通用技术新课程标准中，选择性必修模块中，下列哪几项属于技术与创新系列
A.
创造力开发与技术发明
B.
产品三维设计与制造
C.
科技人文融合创新专题
D.
智能家居应用设计
【单选题】What did Les Brown do after his first chance had been a complete bust?
A.
He gave up on his dream and continued to be a garbage collector for a while.
B.
He had to save money to buy his mother presents.
C.
He was discouraged by his mother to let go of his dream of becoming a DJ.
D.
He persisted in his dreams with his mother's encouragement.
【简答题】( ) is a holder who has taken a bill with complete and regular items on the face under the following conditions. (1) that he become the holder of it before it was overdue and wi...
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