用2、7、0、5、1这五个数字组成一个五位数。
(1)约等于3万的最小的数是( )。
(2)约等于7万的最大的数是( )。
(1)25017;(2)72510
.对出血坏死型胰腺炎最具诊断价值的是()。
A.血脂肪酶增高
B.血淀粉酶增高
C.血钙降低
D.血胆红素增高
E.B超检查胰腺增大
The CPU does not have to look (66) all of RAM to find the spot it needs. But RAM only (67) the data temporarily. As soon as you switch the computer (68) , all that information disappears from the RAM. When you switch the computer on again, the RAM is (69) , and ready (70) a new program and new data.
(69)处填()。
A.full
B.empty
C.zero
D.blank