天然存在的核素的个数为()
A.280
B.332
C.1600
D.2000
参考答案:B
_____ of water makes Death Valley a desert, but it is by no means devoid.
A.Lacking
B.Being lack
C.Because of lack
D.Lack
支票的提示付款期限自出票之日起10天,出票人在支票上另行记载到期日的,该记载也不具有票据上的效力。