The country has（）too many wars in the past few decades；its people are longing for peace so much...

第1题

[] The economy of Ireland has been traditionally agricultural,but since （）country.sindustrial base has expanded.

A、A.the mid-1950s　 B、B.the mid-1960s C、C.the 1970s　 D、D.the 1980s

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第2题

[单选题] The CUSTOMERS table has these columns: CUSTOMER_ID NUMBER(4) NOT NULL CUSTOMER_NAME VARCHAR2(100) NOT NULL STREET_ADDRESS VARCHAR2(150) CITY_ADDRESS VARCHAR2(50) STATE_ADDRESS VARCHAR2(50) PROVINCE_ADDRESS VARCHAR2(50) COUNTRY_ADDRESS VARCHAR2(50) POSTAL_CODE VARCHAR2(12) CUSTOMER_PHONE VARCHAR2(20) The CUSTOMER_ID column is the primary key for the table. You need to determine how dispersed your customer base is. Which expression finds the number of different countries represented in the CUSTOMERS table?（）

A、COUNT(UPPER(country_address)) B、COUNT(DIFF(UPPER(country_address))) C、COUNT(UNIQUE(UPPER(country_address))) D、COUNT DISTINCT UPPER(country_address) E、COUNT(DISTINCT (UPPER(country_address)))

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第3题

[单选题] The CUSTOMERS table has these columns: CUSTOMER_ID NUMBER (4) NOT NULL CUSTOMER_NAME VARCHAR2 (100) NOT NULL STREET_ADDRESS VARCHAR2 (150) CITY_ADDRESS VARHCAR2 (50) STATE_ADDRESS VARCHAR2 (50) PROVINCE_ADDRESS VARCHAR2 (50) COUNTRY_ADDRESS VARCHAR2 (50) POSTAL_CODE VARCHAR2 (12) CUSTOMER_PHONE VARCHAR2 (20) The CUSTOMER_ID column is the primary key for the table. You need to determine how dispersed your customer base is. Which expression finds the number of different countries represented in the CUSTOMERS table?（）

A、COUNT(UPPER(country_address)) B、COUNT(DIFF(UPPER(country_address))) C、COUNT(UNIQUE(UPPER(country_address))) D、COUNT DISTINTC UPPER(country_address) E、COUNT(DISTINTC (UPPER(country_address)))

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第4题

[单选题] The CUSTOMERS table has these columns: CUSTOMER_ID NUMBER (4) NOT NULL CUSTOMER_NAME VARCHAR2 (100) NOT NULL STREET_ADDRESS VARCHAR2 (150) CITY_ADDRESS VARHCAR2 (50) STATE_ADDRESS VARCHAR2 (50) PROVINCE_ADDRESS VARCHAR2 (50) COUNTRY_ADDRESS VARCHAR2 (50) POSTAL_CODE VARCHAR2 (12) CUSTOMER_PHONE VARCHAR2 (20) The CUSTOMER_ID column is the primary key for the table. You need to determine how dispersed your customer base is. Which expression finds the number of different countries represented in the CUSTOMERS table?（）

A、COUNT(UPPER(country_address)) B、COUNT(DIFF(UPPER(country_address))) C、COUNT(UNIQUE(UPPER(country_address))) D、COUNT DISTINTC UPPER(country_address) E、COUNT(DISTINTC (UPPER(country_address)))

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第5题

[单选题] Exports are either raw materials or manufactured goods. Raw materials are products of the land， such as cotton， timber or rubber. Some raw materials， such as iron ore， come from mines. These raw materials are often exported by the countries that produce them to other countries where they are made into manufactured goods. Some countries produce food for export， for example， meat， sugar， or cereals such as wheat and maize. These countries are agricultural countries. An agricultural country needs fertile land and a good climate. A cold， dry climate is not suitable for agriculture. A country which produces manufactured goods is known as an industrialized country. An industrialized country cannot always produce enough food for its own needs. In this case， it does not export foodstuffs. Instead it has to import them. It relies on exports of manufactured products and pays for imports with the money it earns fr

A、it cannot always produce enough food for its own needs B、it doesn't has fertile land and a good climate C、it relies on exports of manufactured products

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第6题

[多选题] Under which three conditions does a client initiate roaming between wireless cells in the Company WLAN？（）

A、 The access point has broadcast too many SSIDs. B、 The wireless client has missed too many beacons from the access point. C、 The maximum data retry count， initiated by the wireless client， is exceeded. D、 The wireless client has reduced the data rate. E、 The access point has requested client reauthentication. F、 The wireless client has missed too many IAPP （Inter Access Point Protocol） updates.

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第7题

[] If the diesel fuel vapors present are within the flammable range （）.

A、A.the vapor air mixture is too rich to burn B、B.an explosion may occur if a source of ignition is present C、C.the vapor air mixture is too lean to bum the upper explosive D、D.limit has been exceeded

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第8题

[单选题] Exports are either raw materials or manufactured goods. Raw materials are products of the land， such as cotton， timber or rubber. Some raw materials， such as iron ore， come from mines. These raw materials are often exported by the countries that produce them to other countries where they are made into manufactured goods. Some countries produce food for export， for example， meat， sugar， or cereals such as wheat and maize. These countries are agricultural countries. An agricultural country needs fertile land and a good climate. A cold， dry climate is not suitable for agriculture. A country which produces manufactured goods is known as an industrialized country. An industrialized country cannot always produce enough food for its own needs. In this case， it does not export foodstuffs. Instead it has to import them. It relies on exports of manufactured products and pays for imports with the money it earns fr

A、developed B、industrial C、agricultural

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第9题

[单选题] Exports are either raw materials or manufactured goods. Raw materials are products of the land， such as cotton， timber or rubber. Some raw materials， such as iron ore， come from mines. These raw materials are often exported by the countries that produce them to other countries where they are made into manufactured goods. Some countries produce food for export， for example， meat， sugar， or cereals such as wheat and maize. These countries are agricultural countries. An agricultural country needs fertile land and a good climate. A cold， dry climate is not suitable for agriculture. A country which produces manufactured goods is known as an industrialized country. An industrialized country cannot always produce enough food for its own needs. In this case， it does not export foodstuffs. Instead it has to import them. It relies on exports of manufactured products and pays for imports with the money it earns fr

A、Agriculture and Industry B、Export C、Production

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The country has（）too many wars in the past few decades；its people are longing for peace so much.

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