______ does she intend to take short rests? Every two hours.
A.Since when
B.How long
C.How much
D.How often
- · 有5位网友选择 A,占比50%
- · 有2位网友选择 B,占比20%
- · 有2位网友选择 D,占比20%
- · 有1位网友选择 C,占比10%
A.Since when
B.How long
C.How much
D.How often
【填空题】What exactly does an (1)system do? Basically, it performs a number of supporting (2). For example, suppose an application (3) is stored on disk, before the (4) can be executed, it must be copied into main (5) first, because the program that controls a (6)must be in main (7). The process of copying a program from (8)to memory involves considerable logic. The source of a computer’s logic is (9). Thus, if the application program is to be (10), there must be a program in memory to control the loading process. That program is the operating system.
A、more
B、the most
C、most
D、the more
A、successful
B、success
C、succession
D、a succession
A、stay
B、remain
C、relax
D、sleep
A、before
B、when
C、as soon as
D、after
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