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【单选题】
In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet. To a router, a flow is a(71)of packets that share the same characterstics, such as traveling the same(72), using the same(73), having the same kind of security, and so on. A router that supports the handling of flow labels has a(74)table. The table has an entry for each Active flow label; each entry defines the(75)required by the corresponding flow label.A.
sequence
B.
stream
C.
Queues
D.
flow
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【多选题】《高等学校收费管理暂行办法》对高等学校教育收费作了全面、系统的规定，据此，下列选项正确的有( )。
A.
对家庭经济困难的学生应酌情减免收取学费，具体减免办法，由省人民政府根据国家有关规定制定。
B.
我国高等教育逐步建立起了以“奖、贷、助、补、减”和“绿色通道”为主要内容的资助困难学生的政策体系，并已显示出了巨大的社会效益
C.
高等学校除收取学费、住宿费外，未经国务院财政、价格、教育行政部门联合批准或省级人民政府批准，不得再向学生收取任何费用
D.
学费标准根据年生均教育培养成本的一定比例确定，在全国范围内遵循统一的标准
E.
国家规定范围之内的学费标准的审批权限在省级人民政府
【单选题】--- Which month has 28 days? --- ___________.
A.
I don’t know
B.
Maybe February
C.
Every month
D.
You can guess
【单选题】As the only direct steamer which calls () our port once a month has just departed, goods can only be shipped next month.
A.
on
B.
in
C.
at
D.
to
【单选题】My watch is nowhere to be found. I______when 1 was on the bus.
A.
must drop it
B.
might drop it
C.
must have dropped it
D.
should have dropped it
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