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【单项选择题】

The expression FIRST MAGNITUDE is usually used to refer only to bodies of magnitude（）.

A、A.1.5 and greater

B、B.1.25 and greater

C、C.1.0 and greater

D、D.0.5 and greater

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更多“The expression FIRST MAGNITUDE is usually used to refer only to bodies of magnitude（）.”相关的问题
第1题
[多选题] Which four statements correctly describe functions that are available in SQL? （）

A、INSTR returns the numeric position of a named character.  B、NVL2 returns the first non-null expression in the expression list.  C、TRUNCATE rounds the column, expression, or value to n decimal places.  D、DECODE translates an expression after comparing it to each search value.  E、TRIM trims the heading or trailing characters (or both) from a character string.  F、NVL compares two expressions and returns null if they are equal, or the first expression if they are not equal.  H、NULLIF compares two expressions and returns null if they are equal, or the first expression if they are not equal.  

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第2题
[多选题] Which four statements correctly describe functions that are available in SQL? （）

A、INSTR returns the numeric position of a named character.  B、NVL2 returns the first non-null expression in the expression list.  C、TRUNCATE rounds the column, expression, or value to n decimal places.  D、DECODE translates an expression after comparing it to each search value.  E、TRIM trims the heading of trailing characters (or both) from a character string.  F、NVL compares two expressions and returns null if they are equal, or the first expression of they are not equal.  H、NULLIF compares twp expressions and returns null if they are equal, or the first expression if they are not equal.  

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第3题
[多选题] Which four statements correctly describe functions that are available in SQL?（）

A、INSTR returns the numeric position of a named character.  B、NVL2 returns the first non-null expression in the expression list.  C、TRUNCATE rounds the column, expression, or value to n decimal places.  D、DECODE translates an expression after comparing it to each search value.  E、TRIM trims the heading of trailing characters (or both) from a character string.  F、NVL compares two expressions and returns null if they are equal, or the first expression of they are not equal.  H、NULLIF compares twp expressions and returns null if they are equal, or the first expression if they are not equal.  

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第4题
[多选题] Which four statements correctly describe functions that are available in SQL? （）

A、INSTR returns the numeric position of a named character.  B、NVL2 returns the first non-null expression in the expression list.  C、TRUNCATE rounds the column, expression, or value to n decimal places.  D、DECODE translates an expression after comparing it to each search value.  E、TRIM trims the heading of trailing characters (or both) from a character string.  F、NVL compares two expressions and returns null if they are equal, or the first expression of they are not equal.  H、NULLIF compares twp expressions and returns null if they are equal, or the first expression if they are not equal.  

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第5题
[单选题] A technician is trying to install a previous-generation expansion card into their new laptop.However, the card refuses to fit into the expansion slot. Which of the following is MOST likely the reason?（）

A、The card needs to have the compatibility jumpers set before it can be installed into the system.  B、The card is a PCI Express card and the laptop supports pcmica.  C、The expansion slot needs to be enabled in theblos first.  D、The card is a PCMCIA card and the laptop supports PCI Express cards.  

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第6题
[] The maximum difference between mean time and apparent time is （）.

A、A.equal to the longitude expressed in time units  B、B.about 16 minutes  C、C.the difference between the GHA of mean sun and the first point of Aries  D、D.15°of arc  

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第7题
[单选题] 大台后面第一个就是他的房间。（）

A、The first cabin astern of the galley is his.  B、The first cabin astern of the saloon is his.  C、The first cabin astern of the bridge is his.  D、The first cabin astern of the gallery is his.  

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第8题
[单选题] When discharging an oil cargo，the first consideration is to（）.

A、get the bow up  B、discharge from the wings first  C、discharge from the centerline tanks first  D、discharge from amidships first  

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第9题
[单选题] If there is another line already on the bollard ,the eye of the second line should be（）before placing it over the bollard.

A、taken up through the eye of the first line  B、taken up over the eye of the first line  C、made fast to the first line  D、taken up from the eye of the first line  

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第10题
[单选题] Which of the following expansion cards would MOST likely require the use of an external powerconnector to function properly?（）

A、PCI Express video card  B、PCI Express fiber card  C、PCI Express sound card  D、PCI Express network card  

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