A. 页式的逻辑地址是连续的，段式的逻辑地址可以不连续 B. 页式的地址是一维的，段式的地址是二维的 C. 分页是操作系统进行，分段是用户确定 D. 各页可以分散存放在主存，每段必须占用连续的主存空间
A. 对 B. 错
A. to open, OK B. opening, Certainly not C. opening, Of course D. to open, Good idea
A. for him to do B. of him to do C. for him doing D. of him doing
A. in B. to C. by D. at
A. hearing B. be heard C. hear D. see
A. Power MOSFET B. GTR C. SCR D. GTO
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