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【单选题】
下列关于PC机的叙述中，不正确的是( )。A.
便携式CP机大多使用液晶显示器
B.
CPU的时钟频率不超过1000MHz
C.
内存容量可以超过32MB
D.
奔腾微处理器具有浮点运算功能
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【简答题】导管的粗细用F表示，6F导管直径是________mm。
【单选题】To my parents’ joy, my elder brother ____ a job in this factory yesterday.
A.
offered
B.
offers
C.
is offered
D.
was offered
【简答题】My sister has recently got a job as a (reception) ______ in a hotel.
【单选题】My wife has been exerting a lot of pressure on me to change my job.
A.
exhausting
B.
demonstrating
C.
using
D.
exhibiting
【单选题】如果上游工厂污染了下游居民的饮水,按照科斯定理,( )问题可妥善解决
A.
不管产权是否明确，只要交易成本为零
B.
不论产权是否明确，交易成本是否为零
C.
只要产权明确，且交易成本为零
D.
只要产权明确，不管交易成本有多大
【单选题】－Have you considered ___ your job? －No, I consider my job ____interesting .A．to change, to beB．to
A.
11.－Have you considered ___ your job? －No, I consider my job ____interesting . A．to change, to be
B.
to be changing, as
C.
changing, being
D.
changing, /
【单选题】My father is very pessimistic my chances of getting a good job. [ ]
A.
on
B.
of
C.
about
D.
in
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