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【单选题】
属于第三层VPN协议。
A.
TCP
B.
SSL
C.
PPOE
D.
IPSec
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举一反三
【判断题】In the text How I Got Smart, at last, the author was no longer reading to win the girl’s admiration , b ut h e continued the pursuit for knowledge and got smart.
A.
正确
B.
错误
【单选题】There are no appointments at the dentist's this afternoon. You will h ave to wait until tomorrow.
A.
attractive
B.
available
C.
able
D.
average
【单选题】—Did you see Tom at the party ? —No, he _____ by the time I got there . [     ]
A.
left
B.
was leaving
C.
had left
D.
has left
【单选题】下列选项中,属于解释性知识的是( )
A.
东道国语言
B.
宗教信仰
C.
风俗习惯
D.
处事态度
【单选题】W h at is the fraction o f cases with the disease among the exposed that is attributable to the exposure? Unexposed Exposed Disease 9 17 No disease 7 5
A.
0.27
B.
0.60
C.
0.30
D.
0.77
【单选题】—Ready to give up guessing, Sandy? —No, no. Hold on! I think I _______ at the answer now.
A.
arrive
B.
have arrived
C.
arrived
D.
am arriving
【多选题】8对于间接碘量法测定氧化性物质,下列说法正确的是()。
A.
被滴定的溶液应为中性或弱酸性
B.
被滴定的溶液中应有适当过量的KI
C.
近终点时加入指示剂,滴定终点是时被滴定的溶液蓝色刚好消失
D.
被滴定的溶液中存在的铜离子对测定无影响
【单选题】When the H1N1 virus____ at first in Mexico, no one had the least idea that it would spread so rapidly throughout the world.
A.
broke off
B.
broke down
C.
broke out
D.
broke away
【判断题】必须鼓励一部分地区和个人先富起来,通过先富带动后富,最终达到共同富裕,同步高裕。
A.
正确
B.
错误
【单选题】宗教信仰属于东道国的( )。
A.
经济环境
B.
社会文化环境
C.
产业配套环境
D.
基础设施
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