1950年6月,中共七届三中全会确定的中心任务是()
A. 赢得抗美援朝战争的胜利
B. 完成新解放区的土地改革
C. 争取国家财政经济状况的基本好转
D. 开展“三反”、“五反”运动
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某项融资租赁,租赁开始日租赁资产公允价值为3000万元,最低租赁付款额现值为2900万元,承租人发牛的初始直接费用为5万元。承租人租赁期开始日融资租人固定资产的入账价值为( )万元。
A. 3000
B. 2900
C. 3005
D. 2905
I'd like to travel, but right now I don't have the means()
A. 我喜欢旅游,但我不懂方法。
B. 我喜欢旅游,但我没办法实现。
C. 我喜欢旅游,但我没有工具。
D. 我喜欢旅游,但我没钱。
There are many reasons for tidal action; thus, tides are very complicated phenomenon involving many factors, all of which must be considered to predict tidal action in any one place at any given time. The alternate rise and fall of the surface of the seas and the oceans is mainly caused by the attractive force of the moon. When the attraction is great, the tide is high; conversely, when the attraction is minimal, the tide is low. Between the high tide and the low tide is a period of a little over six hours, being called during its rise a flood tide, and during its fall an ebb (退潮) tide.The sun also exerts its effect on the tide, being a little less than half as much as the moon, although its mass is so much greater. When the moon and the sun are horizontal, the highest tide occurs and when they are vertical the lowest tide takes place.The wind also plays an important part in the modification of the normal rise and fall of the tides. Thus these factors affect each other, either detracting (转移) or adding to the attractive forces to add or subtract from the magnitude of the tide. One thing is certain: the tides move inexorably (不可阻挡) on, rising twice a day, shifting a little in time each day, and coutinually posing the problem of how to correctly predict their highs and lows. The principal idea of this article is()
A. the attraction of the sun and the moon
B. the sun, the moon and the wind
C. the changing tides
D. the factors affecting the tides
下列关于字段属性的叙述中,正确的是( )。
A. 格式和输入掩码是一样的
B. 可以对任意类型的字段使用向导设置输入掩码
C. 有效性规则属性是用于限制此字段输入值的表达式
D. 有效性规则和输入掩码是一样的