A.to drive … taking
B.driving … takes
C.driving … being taken
D.driving … taking
第1题:
A、unpacked
B、unpackaged
C、bulk
D、bundled
第2题:
第3题:
以下表示平面铣削工序子类型的是()。
A.PLANAR-MILL
B.PLANAR-PROFILE
C.ROUGH-FOLLOW
D.ROUGH-ZIG
第4题:
WhenyoutrytostarttheDatabaseControlbyusingtheemctlstartdbconsolecommandthefollowingerrorisdisplayed:TZsettoAmerica/New_yorkOC4JConfigurationissue./u01/app/oracle/product/10.1.0/db_1/oc4j/j2ee/OC4J_DBConsole_orcl.us.oracle.comnotfound.WhichtwoenvironmentvariablesdoyouneedtosetappropriatelytoavoidsucherrorsandstarttheDatabaseControlsuccessfully?()
A.NLS_LANG
B.ORACLE_SID
C.ORACLE_HOME
D.ORACLE_BASE
E.LD_LIBRARY_PATH
第5题:
Are you interested in()sport?
Aover-road
Bon-road
Caway-road
Doff-road
第6题:
(1)假设每部电影对应的票房如下 New_Hope <- c(460.997, 314.1) Empire_Back <- c(292.475, 257.900) Return_Jedi<- c(309.506, 165.8) 请创建一个矩阵,使得每一行对应一部电影,存入变量revenue_matrix中。 (2)给(1)中的矩阵进行命名,使得第一列对应名字为“US”,第二列名字为“non-US”。