日本在20世纪30年代初期“九一八”事变的背景是（）。①经济危机造成日本国内各种矛盾激化②国民政府坚持内战给日本帝国主义可乘之机③德国法西斯与日本帝国主义遥相呼应④英法的绥靖政策助长了日本的侵略气焰 ①②。 ①②③。 ②③④。 ①②③④。
树木定植后
An AIX 5.3 customer has a Power 780 in a 2-meter （T42） rack. This rack needs to be moved six inches （15cm） to allow under-floor access. What preparation for moving the rack will result in the least disruption to end-users？（） Initiate LPAR fallover to backup systems.。 Use Live Partition Mobility to move the LPARs to other systems.。 Use Live Application Mobility to move critical applications to alternate systems.。 Back up all LPARS to a NIM server and restore them to other LPARs on other systems.。
水利水电工程验收分为（）。 分部工程验收。 阶段验收。 单元验收。 单位工程验收。 竣工验收。
Given: And MainClass exists in the /apps/com/company/application directory. Assume the CLASSPATH environment variable is set to "." (current directory). Which two java commands entered at the command line will run MainClass?（） java MainClass if run from the /apps directory。 java com.company.application.MainClass if run from the /apps directory。 java -classpath /apps com.company.application.MainClass if run from any directory。 java -classpath . MainClass if run from the /apps/com/company/application directory。 java -classpath /apps/com/company/application:. MainClass if run from the /apps directory。 java com.company.application.MainClass if run from the /apps/com/company/application directory。
小张拥有一项新技术的专利权，他适宜采用（）的形式创业。
