【单选题】【消耗次数：1】
2、2009年由谁提出了“智慧地球”的概念（ ）
①
A、谷歌
②
B、苹果
③
C、IBM
④
D、Facebook
⑤
E、HP
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【单选题】
5、2009年由谁提出了“智慧地球”的概念（ ）
①
A、谷歌
②
B、苹果
③
C、IBM
④
D、Facebook
⑤
E、HP
⑥
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【判断题】
<img src=https://huaweicloudobs.ahjxjy.cn/E02B0267C9CE5D631293E2009CAA944E.png title=2.png alt=2.png/>
①
正确
②
错误
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/D15E15E6C4E28F30B8C66C712E13C1E1.png title=2-B.png alt=2-B.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/71F96B01EC42624D2F43333C279904D8.png title=2-1.png alt=2-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/434DC9367A7013D83A4C86FA0710357B.png title=2-2.png alt=2-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/CCB45D994475E244267423BA4E6B4A5E.png title=2-3.png alt=2-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/0127ABAECB8C07F3EAB3DF13073029B9.png title=2-4.png alt=2-4.png/>
【单选题】
无向图G=(V，E)，其中：V={a,b,c,d,e,f},E={(a,b),(a,e),(a,c),(b,e),(c,f),(f,d),(e,d)}，对该图进行深度优先遍历，得到的顶点序列正确的是（ ）。
①
a,b,e,c,d,f
②
a,c,f,e,b,d
③
a,e,b,c,f,d
④
a,e,d,f,c,b
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