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【单选题】
2011年7月在土耳其伊斯坦布尔举行的第15届机器人世界杯赛上。中科大“”队获得仿真2D组冠军和服务机器人组亚军.改写了我国服务机器人从未进人世界前5的纪录,标志着我国在该领域的研究取得了重要进展。图中是科大著名服务机器人“可佳”,如图所示,现要执行一项任务。给它设定了如下动作程序:机器人在平面内由点(0,0)出发,沿直线运动到点(3,1),然后又由点(3,1)沿直线运动到点(1,4),然后又由点(1,4)沿直线运动到点(5,5),然后又由点(5,5)沿直线运动到点(2,2)。该个过程中机器人所用时间是 s,则()
A.
机器人的运动轨迹是一条直线
B.
整个过程中机器人的位移大小为 m
C.
机器人不会两次通过同一点
D.
整个过程中机器人的平均速度为1.5m/s
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举一反三
【单选题】听力原文:M: I’d like the Smiths to come to our party. W: So would I. I think Mr. Blake can give you their phone number. Q: What does the man suggest? (16)
A.
He could ask Mr. Blake for the Smiths' phone number.
B.
He would give the Smiths a phone call.
C.
He should invite the Smiths instead of Mr. Blake.
D.
He should invite Mr. Blake as well as the Smiths.
【单选题】若SUBSTR(S,i.k)表示求S中从第i个字符开始的连续k个字符组成的子串的操作,则对于S="Beijing&Nanjing",SUBSTR(S,4,5)=( )。
A.
"ijing"
B.
"jing&"
C.
"ingNa"
D.
"ing&N"
【单选题】奥克肖特认为,保守主义是一种()。
A.
主义
B.
运动
C.
教义
D.
基本的倾向
【单选题】与激动剂不争夺相同的受体,但与受体结合后可妨碍激动剂与特异性受体的结合,即使不断提高激动剂的浓度,也不能达到单独使用激动剂时的最大效应的是:
A.
完全激动药
B.
部分激动药
C.
竞争性拮抗药
D.
非竞争性拮抗药
【单选题】听力原文:M: I think I'll get my second-hand books at the Student Union this year. So many of the books we are using are the same print. W: I hope you're not planning to take your time going there. They ar...
A.
The man will have no choices left.
B.
The man had better go there quickly.
C.
The man should go when he has spare time.
D.
The books are a bit scratched and are of poor quality.
【多选题】若SUBSTR(S,I,k)表示求S中从第i个字符开始的连续k个字符组成的子串的操作,则对于S="Bejing&Nanjing" SUBSTR(S,4,5)=( )。
A.
"ijing”
B.
"jing&"
C.
"ingNa"
D.
"ing&N"
【简答题】so I think (16) ______________________.
【单选题】奥克肖特认为,保守主义是一种 。
A.
主义
B.
教义
C.
基本的倾向
D.
运动
【单选题】Tom: You are playing guitar well. Can you read music?Charles: No, I don't. I just listen to songs on the radio and then play them until they sound right.Tom: ______Charles: No, really.
A.
You're lying
B.
You're cheating
C.
You are boasting
D.
You're kidding
【单选题】M: So what do you think of the new shopping center? W: I went there yesterday,and it is not as good as I expected. 16. What does the woman think of the shopping center?
A.
It is satisfactory.
B.
It is expensive.
C.
It is old-fashioned.
D.
It is disappointing.
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