Seventy percent of the students here ______ from the country side. A. isB. areC. comesD. has come

Seventy percent of the students here ______ from the country side.

A. is

B. are

C. comes

D. has come


相关考题:

The CUSTOMERS table has these columns:CUSTOMER_ID NUMBER (4) NOT NULLCUSTOMER_NAME VARCHAR2 (100) NOT NULLSTREET_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)))

Youexecutedthefollowingcode:SQLCERATETABLECOUNTRY(COUNTRY_IDCHAR(2)CONSTRAINTCOUNTRY_ID_nnNOTNULL,COUNTRY_NAMEVARCHAR2(20),CURRENCY_NAMEVARCHAR2(20),CONSTRAINTCOUNTRY_ID_PKPRIMARYKEY(COUNTRY_ID))ORGANIZATIONINDEX;Whichtypesoftableswillbecreatedautomatically?()A.journaltableB.clusteredtableC.mappingtableD.partitionedtable

The CUSTOMERS table has these columns:CUSTOMER_ID NUMBER(4) NOT NULLCUSTOMER_NAME VARCHAR2(100) NOT NULLSTREET_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)))

查询金额最大的那10%订单的信息。正确的SQL语句是A.SELECT*TOP l0 PERCENT FROM订单B.SELECT TOP l0%*FROM 订单 ORDER BY金额C.SELECT*TOP l0 PERCENT FROM 订单 ORDER BY 金额D.SELECT TOP l0 PERCENT*FROM 订单 ORDER BY 金额 DESC

SQL语句“SELECT TOP 10 PERCENT*FROM订单0RDER BY金额DESC”的查 询结果是订单中金额 的10%的订单信息。

查淘金额最大的10%的订单信息。正确的SQL语句是( )。A.SELECT*TOP l0 PERCENT FROM 订单B.SELECTTOP 10%*FROM 订单 ORDER BY 金额C.SELECT*TOP l0 PERCENT FROM 订单 ORDER BY 金额D.SELECTTOP l0 PERCENT*FROM 订单 ORDER BY 金额 DESC

王先生国籍为中国,居住在美国,正确的填写方式为()A.Country:American Nationality:ChinaB.Country: China Nationality:ChinaC.Country:American Nationality: AmericanD.Country: China Nationality: American

1.王先生国籍为中国,居住在美国,正确的填写方式为()A.Country:American Nationality:ChinaB.Country: China Nationality:ChinaC.Country:American Nationality: AmericanD.Country: China Nationality: American

2、王先生国籍为中国,居住在美国,正确的填写方式为()A.Country:American Nationality:ChinaB.Country: China Nationality:ChinaC.Country:American Nationality: AmericanD.Country: China Nationality: American

请改正下面程序中存在的错误。 def StudentInfo(country='China', chineselevel='A', name): print('%s,%s,%s'%(name,country,chineselevel)) StudentInfo(country='America', chineselevel='B', name='John')