【单选题】【消耗次数：1】
根据本讲，5G是重要的（）产业。
①
工具性
②
基础性
③
科技性
④
桥梁性
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相关题目
【多选题】
根据本讲，我国5G发展面临的挑战有（）。
①
建设投入巨大且回收周期长
②
5G技术不成熟
③
产业链存在薄弱环节
④
垂直行业的融合应用创新面临挑战
⑤
国外的技术封锁
随机题目
【单选题】
It was_____ back home after the experiment.
①
not until midnight did he go
②
until midnight that he didn’ t go
③
not until midnight that he went
④
until midnight when he didn’ t go
【单选题】
The truck driver was fined for exceeding the speed
____.
①
range
②
limit
③
rule
④
regulation
【单选题】
America will never again have as a nation the spirit of
adventure as it ____ before the West was settled.
①
could
②
did
③
would
④
was
【单选题】
The ____ problem of bring a spaceship back from the moon has been solved.
①
technical
②
technological
③
technique
④
technology
【单选题】
The boy has admitted to ____ the window while
playing football yesterday.
①
breaking
②
having been broken
③
break
④
be breaking
【单选题】
We expect Mr. White will ____ Class One when MissJane retires.
①
take over
②
take up
③
take off
④
take to
【单选题】
My pain ____ apparent the moment I walked into
the room, for the first man I met asked
sympathetically: “Are you feeling all right?”
①
must be
②
must have been
③
had been
④
had to be
【单选题】
____ there is little we can do to modify the weather,
we can at least know what kind of weather to expect.
①
Since
②
When
③
While
④
Unless