【单选题】【消耗次数：1】
I have lived in these crowded district_______2000.
①
for
②
since
③
at
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相关题目
【单选题】
I came to?Beijing?in 1991 and have been ?[填空] here ever since.
①
live
②
lives
③
lived
④
living
【单选题】
Its the second time that I __________ in Shanghai ！ What great changes have taken place in Shang Hai. It is ten years since I __________ it last time.
①
have been ； left
②
had been ； left
③
have been ；had left
④
went ；had left
【单选题】
Since you have already come, you _____ stay here for a couple of days.
①
might well
②
might as well
③
might have to
④
might
【单选题】
Alice: Natalie must have left since your plane arrived so late.Sam: To my surprise, I found her waiting for me at the airport.Alice: ___________
①
What a pity.
②
How kind.
③
Good for her.
④
No kidding.
【单选题】
Alice: Natalie must have left since your plane arrived so late. Sam: To my surprise, I found her waiting for me at the airport. Alice: ___________
①
What a pity.
②
How kind.
③
Good for her.
④
No kidding.
【单选题】
He _______ driving me home, even though I told him I lived nearby.
①
insisted on
②
insisted at
③
insisted that
④
insisted in
【单选题】
I’m writing to you from London in a new flat. I _______ here since 2005.
①
was
②
have been
③
is being
【单选题】
I was to have a trip abroad if _____.
①
I had not been fired
②
I was not fired
③
my boss won’t have fired me
④
I were not fired
随机题目
【多选题】
使用基于路由器的防火墙使用访问控制表实现过滤，它的缺点有：（ ）。
①
路由器本身具有安全漏洞
②
分组过滤规则的设置和配置存在安全隐患
③
无法防范“假冒”的地址
④
对访问行为实施静态、固定的控制与路由器的动态、灵活的路由矛盾
【单选题】
随着Internet发展的势头和防火墙的更新，防火墙的哪些功能将被取代（ ）。
①
使用IP加密技术
②
日志分析工具
③
攻击检测和报警
④
对访问行为实施静态、固定的控制