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【单选题】
7-3.在设计分时操作系统时,首先要考虑的是交互性和响应时间;在设计处理操作系系统时,首先要考虑的是周转时间和系统吞吐量;在设计实时操作系统时,首先要考虑的是( C ).A.
（1）灵活性和可适应性；
B.
（2）交互性和响应时间；
C.
（3）周转时间和系统吞吐量；
D.
（4）实时性和可靠性。
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举一反三
【单选题】I can’t believe you; I know that you are_____a story again.
A.
making up
B.
making out
C.
giving out
D.
turning out
【单选题】Although the wind has ______ , the rain remains steady, so you still need a raincoat.
A.
turned up
B.
gone back
C.
died down
D.
blown out
【单选题】To get a better grade, you should __________the notes again before the test.
A.
go over
B.
get over
C.
turn over
D.
take over
【单选题】When you finish ____ meals, don't forget _____ off the gas. [ ]
A.
cooking, to turn
B.
to cook, to turn
C.
to cook, turning
D.
cooking, turning
【单选题】When you are in trouble, you may ________ your teacher and classmates for help. [ ]
A.
turn away
B.
turn around
C.
turn back
D.
turn to
【单选题】社会主义市场经济体制改革中，改革在一些重大方面取得新的进展，基本实现了由计划经济体制向社会主义市场经济体制根本性转变的阶段是（ ）。
A.
经济体制全面转变
B.
改革快速推进、重点突破
C.
改革起步
D.
改革全面展开
【单选题】The radio is too noisy. Would you mind _______? Your grandpa is sleeping. [ ]
A.
turning it on
B.
turning it off
C.
to turn it down
【简答题】Directions: For this part, you are allowed 30 minutes to write a short essay entitled Turn Off Your Cell Phone. You should write at least 150 words following the outline given below in Chinese: 1.手机给我...
【单选题】The mermaids you turned loose have brought you back your tears.
A.
S+V+P
B.
S+V
C.
S+V+O
D.
S+V+O+O
E.
S+V+O+C
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