票据的出票日期必须使用中文大写。在填写月、日时，月为壹、贰和壹拾的，日为壹至玖和壹拾

食管腐蚀伤发生后，食管镜检查应在（）。

A.伤后立即进行

B.受伤2周后的缓解期

C.经钡餐透视确诊为食管狭窄时

D.出现并发症时

E.以上均正确

不得用重物击打吊环。

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.

就所有者权益而言，下列表述正确的有（）。

A.它是投资者对企业净资产的所有权

B.它等于企业资产总额减去负债总额后的余额

C.它在资产负债表上永远是以正数列示

D.所有者永远不能收回

儿童心理发展存在着关键期，这一概念由（）首先提出的。

A、皮亚杰

B、劳伦兹

C、桑代克

D、维果斯基