皮皮学，免费搜题
登录
搜题
【单选题】
某工程爆破，设计时选用2号岩石铵梯炸药，需装药量为50kg，实施中改用1号岩石铵梯炸药，其装药量（ ）。（注：1号与2号岩石铵梯炸药的爆分别为350cm3、320cm3）。A.
要增加
B.
相等
C.
要减少
D.
与炸药种类无关
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Why does the author say that American education owes a great debt to T homas Jefferson?
A.
Be cause Jefferson believed that only a nation of educated people could re main free .
B.
Because his contribution to US
【单选题】以下属于污染伤口的是（ ）。
A.
伤口被锐器刺、割伤
B.
伤口有致病菌，已发生感染
C.
伤口有较多分泌物
D.
伤口内有致病菌存在，但未发生感染
E.
伤后时间较长
【多选题】单位消防安全制度主要包括以下内容：()。
A.
消防安全教育、培训;防火巡查、检查
B.
用火、用电安全管理;消防设施、器材维护管理;燃气和电气设备的检查和管理(包括防雷、防静电)
C.
火灾隐患整改;易燃易爆危险物品和场所防火防爆
D.
灭火和应急疏散预案演练
E.
消防安全工作考评和奖惩
【简答题】属于污染伤口的是
【单选题】Which of the following can be inferred from what Thomas Jefferson said? ( )
A.
Europe was changing more quickly than America.
B.
Europe had greater need of farm machinery than America did.
C.
America was finally running out of good farmland.
D.
There was a shortage of workers on American farms.
【简答题】Why was Jefferson chosen to write the Declaration of Independence?
【单选题】Why did Governeur Morris and Thomas Jefferson suggest to use dollar as the name of US currency?
A.
The paper dollar was already been widely used in the country.
B.
Dollar has never been used by British government.
C.
Dollar has the association of the colony days.
D.
Most Americans knew dollar is a term for currency.
相关题目：