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【简答题】
S ystem software include s the (1) system and system (2) . O perating systems are (3) that manage the system resources and enable you to run (4) programs . S ystem utilities are special programs that (5) the usefulness of or add capa bilities to a computer . Operating system can be found on most (6). It is a collection of program (7) that controls and manages the system ’ s hardware as well as (8) resources , t hus enabling you to run application programs . S ince the operating system serv es as an (9) bridging the gap between hardware and application software , i t makes your machine easier to use and ensure s better performance of your (10) system as well.
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【单选题】I find that Wang Ping is saving money. Do you know what he ______ with the money? [     ]
A.
is doing
B.
did
C.
is going to do
D.
does
【单选题】109型机车分配阀 () 位:列车制动管停止减压,分配阀处于保压位置,使制动缸压力也保持一致。
A.
紧急制动
B.
初制动
C.
制动保压
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A.
正确
B.
错误
【简答题】阅读理解。 The first newspapers were written by hand and put up on walls in public place. The earliest daily newspaper was started in Rome in 59 BC. In the 700's the world's first printed newspaper was pub...
【判断题】Barter is the original form of trade, which is the earlies trading with precious metals.
A.
正确
B.
错误
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A.
紧急制动
B.
初制动
C.
制动保压
D.
以上都不是
【单选题】低血容量性休克救治的关键是
A.
快速输液扩容
B.
脱水利尿
C.
强心和调节血管张力
D.
积极治疗原发病
E.
纠正酸碱平衡失调
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A.
earlier
B.
earliest
C.
better
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best
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A.
失代偿性呼吸性酸中毒
B.
失代偿性代谢性酸中毒
C.
代偿性呼吸性酸中毒
D.
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E.
呼吸性酸中毒并代谢性酸中毒
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