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【单选题】
( 2005 , III , IV ) 当a取下列哪个值时,函数 恰有两个不同的零点( )。A.
2
B.
4
C.
6
D.
8
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【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】字数:127 建议做题时间:1分钟 One important caution about fake foning. The other day I was fake foning my way past a colleague, and he was actually following me to get my attention. I knew he wanted to ask ...
A.
One effective way is to fake fone one’s doctor.
B.
One has to be careful while fake foning.
C.
Fake foning may not deceive people.
D.
Fake foning is always quite successful.
【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
【简答题】简述十进制系统。为什么称作decimal？该系统的底是多少？
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