一个硬盘最多能够被分成（）个主分区。
A.1
B.2
C.3
D.4
参考答案：D
乙酰唑胺提高血浆渗透量。()
Education in Russia and the other new countries faces especially daunting obstacles because the struggling economies of these nations often provide insufficient funds for education.
A. stunning B. discouraging C. concerning D. prevailing
