Employers pay high salaries to IT managers because ______.
(A) they work hard
(B) they are excellent leaders
(C) they help improve the companies’ products
(D) they are key factors to their success
第1题:
Youhaveexecutedthiscommandtochangethesizeofthedatabasebuffercache:SQL>ALTERSYSTEMSETDB_CACHE_SIZE=2516582;Systemaltered.Toverifythechangeinsize,youexecutedthiscommand:SQL>SHOWPARAMETERDB_CACHE_SIZENAMETYPEVALUE------------------------------------------------db_cache_sizebiginteger4194304Whyisthevaluesetto4194304andnotto2516582()
A.Because4194304isthegranulesize
B.Because4194304isthestandardblocksize
C.Because4194304isthelargestnonstandardblocksizedefinedinthedatabase
D.Because4194304isthetotalsizeofdataalreadyavailableinthedatabasebuffercache
第2题:
Because of the _____ emphasis placed on classroom work, the instructor will report your absences to the adviser.
(A) large (B) strong (C) hard (D) high
这个选B.strong 是重点的强调,排除法可去掉A,D ,这是固定用法.记住就可以了.
第3题:
苹果Pay、小米Pay和三星Pay使用哪种近距离通信技术?
A.RFID
B.声波
C.NFC
D.蓝牙
第4题:
Youhaveexecutedthiscommandtochangethesizeofthedatabasebuffercache:SQL>ALTERSYSTEMSETDB_CACHE_SIZE=2516582;Systemaltered.Toverifythechangeinsize,youexecutedthiscommand:SQL>SHOWPARAMETERDB_CACHE_SIZENAMETYPEVALUE------------------------------------------------db_cache_sizebiginteger4194304(4M)Whyisthevaluesetto4194304andnotto2516582()
A.because4194304isthegranulesize
B.because4194304isthestandardblocksize
C.because4194304isthelargestnonstandardblocksizedefinedinthedatabase
D.because4194304isthetotalsizeofdataalreadyavailableinthedatabasebuffercache
第5题:
Because of the _____ on classroom work, the instructor will report your absences to the adviser.
(A) large (B) strong (C) hard (D) high
这个选B.strong 是重点的强调,排除法可去掉A,D ,这是固定用法.记住就可以了.
第6题:
【判断题】英音里字母r在元音后时念为卷舌音, 如shared, hard, work。
A.Y.是
B.N.否