同步发电机的转子额定电流是指在额定的（）及（）下連续运行的最大电流。A、功率因数 B

IFCC 推荐法测定ALP 选用哪个缓冲液（ ）

A．乙二胺

B．AMP

C．Tris

D．甘氨酸

下列反应属于置换反应的是：（　　）

A．2Mg+O₂

点燃  .

2MgO

B．Zn+2HCl═ZnCl₂+H₂↑

C．CuO+CO

高温  .

Cu+CO₂

D．Mg（OH）₂+2HCl═MgCl₂+2H₂O

贷款人应落实具体的责任部门和岗位，履行尽职调查并形成书面报告。尽职调查的主要内容包括：（）。

A、借款人及项目发起人等相关关系人的情况

B、贷款项目的情况

C、贷款担保情况

D、需要调查的其他内容

某承包商承接某工程，占地面积2.01万m²，建筑层数地上26层，地下3层，基础类型为桩基筏式承台板，结构形式为现浇剪力墙，混凝土采用商品混凝土，强度等级有C25、C30、C35、C40，钢筋采用HRB355级。屋面防水采用SBS改性沥青防水卷材，外墙面喷涂，内墙面和顶棚刮腻子喷大白，屋面保温采用憎水珍珠岩，外墙保温采用聚苯保温板，根据要求，该钢结构工程实行工程监理。
根据以上内容，回答下列问题：

对该钢结构工程进场的原材料该如何管理

Today concern for the environment extends into such areas as chemical pollution of the air we breathe and the water we drink, strip mining, dam and road building, noise pollution, offshore oil drilling, nuclear energy, waste disposal, the use of aerosol cans and nonreturnable beverage containers and a host of other issues. In fact, there is hardly a realm of national life that is not touched by the controversy that often pits those" who style themselves environmentalists against proponents of economic growth in our energy-consuming society. The problem is to balance the needs of the environment against those of the economy or consumers trying to cope with the high cost of living without destroying the earth on which we all depend. In this sense, it is important how nations should go about making environmental policies choice. Public awareness education on environment should be enhanced among citizens.