第1题
A.accept B.take in
C.transfer D.reject
第2题
B.GUI
C.memory
D.printer
第4题
A.anyone
B.someone
C.nobody
第5题
______, you will have no further difficulty operating the machine.
一旦明白这些规则,你就会轻而易举地操作机器了。
第6题
第7题
A.access time B.rotational delay
C.seek time D.I-time
第8题
Below data of a GLC column (L=1.0 m) were given under operating conditions:
Compound | Retention time (min) | Peak width at base (min) |
A B C | 2.16 3.25 4.13 | 0.32 0.38 0.48 |
Calculate:
第10题
A.helping
B.saving
C.operating
D.to save
第11题
从下面提供的答案中选出应填入下列英文语句中______内的正确答案。
For users, microkernel technology promises(1), compact and sophisticated operating systems that are typically(2)across a range of hardware platforms. These operating systems will be customizable to let users run multiple operating system and application "personalities" on top of a single microkernel(3).
Microkernel based systems can provide this flexibility because the core operating system functions are(4)from the large number of utilities, features and extensions that are layered on top of them. As a result, updating and maintaining operating system is easier, since developers don't have to modify the(5)every time they must add a new feature.