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【多选题】
下面关于网桥的说法中正确的是( )。A.
属于不同VLAN的两台主机不可以在数据链路层上直接通信。
B.
属于不同VLAN的两台主机可以在数据链路层上通信。
C.
属于不同VLAN的两台主机可以通过网络层实现通信。
D.
属于不同VLAN的两台主机在网络层也不能实现通信。
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举一反三
【单选题】They must have finished the work by the end of last month, ______?
A.
hadn’t they
B.
mustn’t they
C.
haven’t they
D.
didn’t they
【单选题】They must have finished the work by the end of last month, ______?
A.
mustn’t they
B.
haven’t they
C.
hadn’t they
D.
didn’t they
【单选题】The party last night was ____great success. We sang and danced until it came to __end at 12.
A.
the; the
B.
/; an
C.
a; an
D.
a; the
【单选题】Mr. Green said his clients______our samples by the end of last month.
A.
didn't receive
B.
hadn't received
C.
haven't received
D.
don't receive
【单选题】He hasn't heard from his friend ______ last month. [ ]
A.
since
B.
by the end of
C.
for
D.
until
【简答题】患者，男，76岁，2天前开始咳嗽、咳痰，为少量黄脓痰，不易咳出，伴有发热，体温最高达39.3℃入院。患者无胸痛和呼吸困难。查体：听诊右下肺湿啰音。胸部X线：右肺下叶少许斑片影。根据患者基础疾病及药物过敏史，诊断为社区获得性肺炎。 试为患者推荐合适的治疗药物并拟订给药方案（即药物、剂型、用法与用量）。
【简答题】SPI接口的英文全称是()
【简答题】Kitesurfing as a water sport began in the 1980s, but didn't get popular until the end of last century. It is also known as kiteboarding, and in some European countries as flysurfing. Kitesurfing works...
【简答题】The engineers must have worked out the design by the end of last week，_______？ A．mustn’t they B．hadn’t they C．haven’t they D．didn’t they
【单选题】脑卒中患者检查发现自发语、命名、听理解,复述、阅读及书写均有障碍,该患者失语症类型为
A.
命名性失语
B.
传导性失语
C.
完全性失语
D.
Broca失语
E.
Wernicke失语
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