【判断题】【消耗次数：1】
Last week he promised that he would come today, but he hasnt arrived yet.
①
正确
②
错误
参考答案：
复制
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相关题目
【单选题】
14.He hasnt come yet．What do you consider _______ to him？
①
happens
②
hashappened
③
happening
④
tohappen
【单选题】
It was not until he arrived in class _____ realized he had forgotten his book.
①
when he
②
that he
③
and he
④
he
【单选题】
He [填空] very busy this week, he [填空] free next week.
①
will be,is
②
is,is
③
will be,will be
④
is,will be
【单选题】
No sooner ___ he arrived home than he ___ to start on another journey.
①
has; was asked
②
have; were asked
③
had; is asked
④
had; was asked
【单选题】
If he ___ tomorrow, he would find Mr. Wang in the office.
①
comes
②
will come
③
should come
④
come
【判断题】
Ever since he arrived, he has been complaining constantly about the weather.
①
正确
②
错误
【单选题】
9. No sooner _______ he arrived home than he _______to start on another journey.
①
has; was asked
②
have; were asked
③
had; is asked
④
had; was asked
【单选题】
No sooner________he arrived home than he________to start on another journey.
①
has;was asked
②
have;were asked
③
had;is asked
④
had;was asked
随机题目
【单选题】
万兆位以太网技术同以前的以太网标准相比，下面关于万兆位以太网技术的论述，不正确的是（ ）。
①
万兆位以太网主要采用光纤作为传输介质，传送距离可延伸到10-40 KM
②
万兆位以太网的MAC子层可以以全双工方式、半双工等多种方式工作，不再使用CSMA/CD的机制，支持点对点、广播式的数据传送
③
万兆位以太网采用64/64B的线路编码，不再使用以前的8/10B的编码
④
万兆位以太网可以提供广域网接口，可以直接在SDH网络上传送
【单选题】
在packet tracer模拟器软件中，( )意味着交换机使用模式正处于全局配置模式下。
①
Switch
②
Switch(config-if)#
③
Switch#
④
Switch(config)#
【单选题】
关于三层交换机分类的论述，下面错误的是（ ）。
①
纯硬件的三层交换机采用ASIC芯片，利用硬件方式进行路由表的查找和刷新
②
基于软件的三层交换机的技术复杂，成本高，但是性能好，带负载能力强
③
基于软件的三层交换机，通过CPU利用软件方式查找路由表，一般不适合作为核心交换机使用
④
三层交换机可以分为纯硬件的三层交换机和基于软件的三层交换机
【单选题】
（ ）独立于第二层和第三层协议。它提供了一种方式，将IP地址映射为简单的具有固定长度的标签，用于不同的包转发和包交换技术。
①
SDH
②
MPLS
③
DDH
④
ATM