How should the following UDF be invoked in order to convert US currency values stored in the EXPENSES table into Canadian currency?CREATE FUNCTION getratews11 ( country1 VARCHAR(100), country2 VARCHAR(100) ) RETURNS DOUBLE LANGUAGE SQL CONTAINS SQL EXTERNAL ACTION NOT DETERMINISTIC BEGIN ... END（）..

A、The SART should be placed in water immediately upon activation B、The SART should be held as high as possible C、Switch the SART into the "high" power position D、If possible，the SART should be mounted horizontally so that its signal matches that of the searching radar signal

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第7题

[单选题] The pressure difference before and after the lube oil filter indicates （）the filter should be cleaned.

A、when B、how C、where D、whether

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第8题

[单选题] （）the ship leaves at 1000 today，she can arrive there tomorrow.

A、When B、How C、If D、Should

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第9题

[] Click the Exhibit button. In the exhibit, two physical routers are configured for VRRP in the network with WXC devices. How should you define the default gateway address on each WXC device?（） Click the Exhibit button. In the exhibit, two physical routers are configured for VRRP in the network with WXC devices. How should you define the default gateway address on each WXC device?（）

A、A. Define the virtual router IP address on both WXC devices. B、B. Add a static route for the virtual router IP address on both WXC devices. C、C. Define the physical IP address of each router on each respective WXC device. D、D. Leave the default gateway field in the WXC device blank; it will automatically detect the active gateway address.

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第10题

[] How should the letter O be pronounced when spoken on the radiotelephone?（）

A、A.OCK TOW BER B、B.O RI AN C、C.OSS CAH D、D.OA KAM

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