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【判断题】
托幼园所应合理安排婴幼儿入园、离园时间,方便家长接送,更好地为生产服务。
A.
正确
B.
错误
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举一反三
【单选题】decimal
A.
a. 深思熟虑的 ; 审慎的
B.
a. 正派的 ; 体面的
C.
a. 致命的,死一般的
D.
a. 小数的,十进制的
【单选题】--- I use your mobile phone ? ---Sorry , you can't . My phone is powered off.
A.
Need
B.
Must
C.
May
D.
Should
【单选题】My phone need ____ (充电).
A.
to charge
B.
charging
C.
be charged
【单选题】If I don't take my cell phone, and I need to make a call.
A.
complete sentence
B.
fragment
【简答题】Oh, sir, I need to make a phonecall, but my phone is out of charge. _________________ if I use yours?A. Is it nice with you B. Is it OK with you C. Is it OK with me
【单选题】Stop using your phone. You need to be an open person, with open body language and open eyes and without a shield (盾). But my phone often gets between me and the surroundings. It ruins my chances to ma...
A.
It began to rain
B.
Let strangers make all your plans
C.
When you're watching somebody
D.
I will share with you my experience
E.
If stopping using it feels unsafe to you
F.
Never feel afraid of the strangers you meet
G.
I replied I was on a trip, looking for scenic spots
【判断题】单位阶跃信号的傅里叶变换存在,因为单位阶跃信号满足狄里赫勒条件:
A.
正确
B.
错误
【简答题】简述十进制系统。为什么称作decimal?该系统的底是多少?
【单选题】decimal
A.
十进制
B.
十六进制
C.
D.
主机
【单选题】decimal
A.
十进制
B.
二进制
C.
八进制
D.
十六进制
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