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Inductance is the property of an electric circuit that （）
A、opposes any change in the applied voltage
B、opposes any change in the current flow through the circuit
C、aids any changes in the applied voltage
D、aids any changes in the current through the circuit
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（）is an indication that the weather is about to clear.
A . Rising clouds
B . Lowering clouds
C . Thickening clouds
D . Scattering cloud
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A sweep oar is an oar that is（）.
A . generally shorter than the others and is used to steer with
B . is longer than the others and is used as the stroke oar
C . is raised in the bow of the boat for the steersman to steer by
D . longer than the others used for steering
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An advantage of DC motors over AC motors is that they （）
A . are less expensive
B . require less maintenance
C . can be started across the line
D . offer a more effective means of controlling speed
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Which of these is not an action that is associated with HTTPS decryption policies？（）
A . drop
B . pass-through
C . decrypt
D . block
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Which of the following is an OSPF configuration parameter that is used on an ABR, but not on an internal router？（）
A . A virtual link to area 0.
B . OSPF summarization command.
C . default - cost extension to the area command.
D . no - summary extension to the area stub comm and.
E . None of the other alternatives apply
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An instrument that indicates wind direction is known as a(n)（）.
A . weather vane，wind vane or wind sock
B . hydrometer
C . hygrometer
D . sling psychrometer
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Which of the following interfaces is appropriate for an Ethernet adapter that is configured with an IEEE 802.3 frame type？（）
A . at0
B . en0
C . et0
D . tr0
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An（）indicates that there is imminent risk for navigation.
A . distress alert
B . urgency message
C . safety message
D . routine message
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Which of the following is NOT an acronym?（ ）
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Flu is an ___ that attacks the respiratory system.
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A NAND gate has an output that is opposite the output of an AND gate
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___________ is an example that describes an imaginary or fictitious situation.
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Which of the following is NOT an acronym?（ ）
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AIDA is an acronym that stands for Attention, Interest, Desire and_______.
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An argument that is spoken is no good if it is not spoken loudly enough.
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If the L/C stipulate that the expiry date is July 31st without a shipment date, then the latest shipment date is also July 31st.
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There is no denying that Professor Smith is an (experience) _______ teacher.
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______ is an agreement that creates an obligation, which is binding, legally enforceable between two or more competent parties.
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The author implies that an innovative scientific contribution is one that______
A．is cited with high frequency in. the publications of other scientists
B．is accepted immediately by the scientific community
C．does't Jot relegate particulars to the role of dam
D．introduces a new valid generalization
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Operation Lifesavers Inc. is an organization that
A．was first founded by railroad companies.
B．has designed an online course for drivers.
C．has helped 15,000 drivers to get their licenses.
D．collects membership fees from professional truckers.
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The passage implies that an original contribution in science is one that______.
A．is often quoted in the work of other scientists
B．is careful not to make a value judgment about the use of data
C．is applauded by all distinguished experimentalists
D．generates a novel and well-founded generalization
此题为多项选择题。
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AIDA is an acronym that stands for Attention,Interest,Desire and（）.
A、Ability
B、Aim
C、Action
D、Achievement
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As the manager of an organization that is attempting to build a marketing information system （MIS）, you have been informed that an MIS is built upon three fundamental information sources. The sources
A．external records and documents
B．databases found on the Internet
C．consultant reports
D．internal company records
E．secondary data from government sources such as the Better Business Bureau
