钢筋混凝土中为保护钢筋使其免受侵蚀宜选用哪种外加剂（）。A.减水剂 B.阻锈剂 C.

超出核准登记的经营范围，擅自从事应当取得许可证或者其他批准文件方可从事的经营活动行为，在查处时，应如何定性？（公平交易执法岗位）

根据《民用爆炸物品安全管理条例》的规定，属于由国防科技工业主管部门、公安机关按照职责责令限期改正，可以并处5万元以上20万元以下的罚款的情形是( )。

A．未按照规定建立出入库检查、登记制度或者收存和发放民用爆炸物品的

B．爆破作业单位未按照规定建立民用爆炸物品领取登记制度、保存登记记录的

C．爆破作业单位未按照其资质等级从事爆破作业的

D．营业性爆破作业单位跨省、自治区、直辖市行政区域实施爆破作业，未按照规定事先向爆破作业所在地的县级公安机关报告的

四川汶川大地震发生后，截止5月22日14时，中央财政已累计拨款102.95亿元。政府的这一救灾拨款属于[ ]

A、财政收入

B、财政支出

C、财政节余

D、财政决算

Throughout history has (1) changed his physical environment in order to improve his (2) of life. With the tools of technology he has (3) many physical features of the earth. He has (4) woodlands and prairies into farms and made lakes and reservoirs (5) of rivers for irrigation purposes or hydroelectric (6) . Man has also modified the face of the earth by (7) marshes and cutting through mountains to (8) roads and railways.
However, man’s (9) to the physical environment have not always had beneficial results. Today, (10) of the air and water is an increasing danger to the health of the (11) . Each day thousands of tons of gases come out of the exhausts of motor vehicles. (12) from factories pollutes the air of industrialized areas and the surrounding (13) of the countryside. The pollution of water is equally harmful. The whole ecological (14) of the sea is being changed and (15) wastes have already made many rivers lifeless.
Now (16) protection is more pressing than ever before. As we know, massive destruction of the environment has brought about (17) effects and even poses a great (18) to man’s existence. Indifference to these problems will mean committing suicide. Therefore, effective (19) should be taken and laws passed to (20) the environment. Otherwise, man is certain to suffer from the serious consequences caused by this lack of care for his living surroundings.

以下各项哪一项不属于骨折分离移位的原因：（）

A.肢体的重力

B.过度牵引

C.肌肉迟缓无力

D.肌肉牵拉力

E.反复整复